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23313567355 = 51317374389149
BaseRepresentation
bin10101101101100110…
…001100111001111011
32020011202120221010121
4111231212030321323
5340221233123410
614413214354111
71453506024061
oct255546147173
966152527117
1023313567355
1199839a0241
1246277bb937
13227702a490
1411b23d4031
15916aed9da
hex56d98ce7b

23313567355 has 128 divisors (see below), whose sum is σ = 34128864000. Its totient is φ = 15123677184.

The previous prime is 23313567317. The next prime is 23313567367. The reversal of 23313567355 is 55376531332.

It is not a de Polignac number, because 23313567355 - 27 = 23313567227 is a prime.

It is a super-2 number, since 2×233135673552 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 156466821 + ... + 156466969.

It is an arithmetic number, because the mean of its divisors is an integer number (266631750).

Almost surely, 223313567355 is an apocalyptic number.

23313567355 is a deficient number, since it is larger than the sum of its proper divisors (10815296645).

23313567355 is a wasteful number, since it uses less digits than its factorization.

23313567355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its digits is 850500, while the sum is 43.

23313567355 divided by its sum of digits (43) gives a triangular number (542175985 = T32929).

The spelling of 23313567355 in words is "twenty-three billion, three hundred thirteen million, five hundred sixty-seven thousand, three hundred fifty-five".

Divisors: 1 5 13 17 37 43 65 85 89 149 185 215 221 445 481 559 629 731 745 1105 1157 1513 1591 1937 2405 2533 2795 3145 3293 3655 3827 5513 5785 6407 7565 7955 8177 9503 9685 12665 13261 16465 19135 19669 20683 27047 27565 32035 32929 40885 42809 47515 49751 55981 65059 66305 71669 83291 93721 98345 103415 108919 135235 141599 164645 172393 214045 225437 237059 248755 279905 325295 351611 358345 416455 468605 490657 544595 570223 707995 727753 845767 861965 1127185 1185295 1218373 1415947 1758055 1840787 2407183 2453285 2851115 2930681 3081767 3638765 4030003 4228835 6091865 6378541 7079735 7412899 8341169 9203935 9693791 12035915 14653405 15408835 20150015 21098251 31293379 31892705 37064495 41705845 48468955 52390039 105491255 108435197 126019283 156466895 261950195 274277263 358670267 542175985 630096415 1371386315 1793351335 4662713471 23313567355