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23122122303 = 3723147891213
BaseRepresentation
bin10101100010001011…
…111001011000111111
32012200102100111220010
4111202023321120333
5334323230403203
614342215154303
71445662540200
oct254213713077
965612314803
1023122122303
119895920795
124593675993
13224647a097
141194bdb5a7
15904dd4303
hex5622f963f

23122122303 has 96 divisors (see below), whose sum is σ = 38263726080. Its totient is φ = 12363563520.

The previous prime is 23122122271. The next prime is 23122122311. The reversal of 23122122303 is 30322122132.

It is a happy number.

It is not a de Polignac number, because 23122122303 - 25 = 23122122271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23122122303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122122313) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19061325 + ... + 19062537.

It is an arithmetic number, because the mean of its divisors is an integer number (398580480).

Almost surely, 223122122303 is an apocalyptic number.

23122122303 is a deficient number, since it is larger than the sum of its proper divisors (15141603777).

23122122303 is a wasteful number, since it uses less digits than its factorization.

23122122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23122122303 its reverse (30322122132), we get a palindrome (53444244435).

The spelling of 23122122303 in words is "twenty-three billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred three".

Divisors: 1 3 7 21 31 47 49 89 93 141 147 217 267 329 623 651 987 1213 1457 1519 1869 2303 2759 3639 4183 4361 4371 4557 6909 8277 8491 10199 12549 13083 19313 25473 29281 30597 37603 57011 57939 59437 71393 87843 107957 112809 129673 135191 171033 178311 204967 214179 263221 323871 389019 399077 405573 614901 755699 789663 907711 1197231 1767341 1842547 2267097 2723133 2793539 3346667 5073979 5289893 5302023 5527641 6353977 8380617 10040001 12371387 15221937 15869679 19061931 23426669 35517853 37114161 70280007 86599709 106553559 157293349 163986683 248624971 259799127 471880047 491960049 745874913 1101053443 3303160329 7707374101 23122122303