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23043312312 = 2332343970817
BaseRepresentation
bin10101011101011111…
…010000101010111000
32012110221001112220120
4111131133100222320
5334143041443222
614330322053240
71444014631356
oct253537205270
965427045816
1023043312312
119855392669
1245711aa220
132233045557
1411885647d6
158ed01815c
hex55d7d0ab8

23043312312 has 64 divisors (see below), whose sum is σ = 61511028480. Its totient is φ = 7176271872.

The previous prime is 23043312311. The next prime is 23043312317. The reversal of 23043312312 is 21321334032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043312311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461673 + ... + 509144.

It is an arithmetic number, because the mean of its divisors is an integer number (961109820).

Almost surely, 223043312312 is an apocalyptic number.

It is an amenable number.

23043312312 is an abundant number, since it is smaller than the sum of its proper divisors (38467716168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23043312312 is a wasteful number, since it uses less digits than its factorization.

23043312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970892 (or 970888 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23043312312 its reverse (21321334032), we get a palindrome (44364646344).

The spelling of 23043312312 in words is "twenty-three billion, forty-three million, three hundred twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 23 24 43 46 69 86 92 129 138 172 184 258 276 344 516 552 989 1032 1978 2967 3956 5934 7912 11868 23736 970817 1941634 2912451 3883268 5824902 7766536 11649804 22328791 23299608 41745131 44657582 66986373 83490262 89315164 125235393 133972746 166980524 178630328 250470786 267945492 333961048 500941572 535890984 960138013 1001883144 1920276026 2880414039 3840552052 5760828078 7681104104 11521656156 23043312312