23312001012 has 48 divisors (see below), whose sum is σ = 54579571200. Its totient is φ = 7744295520.

The previous prime is 23312000977. The next prime is 23312001019. The reversal of 23312001012 is 21010021332.

It is a junction number, because it is equal to n+sod(n) for n = 23312000982 and 23312001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312001019) 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, 6166939 + ... + 6170717.

It is an arithmetic number, because the mean of its divisors is an integer number (1137074400).

Almost surely, 2^23312001012 is an apocalyptic number.

It is an amenable number.

23312001012 is an abundant number, since it is smaller than the sum of its proper divisors (31267570188).

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

23312001012 is a wasteful number, since it uses less digits than its factorization.

23312001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23312001012 its reverse (21010021332), we get a palindrome (44322022344).

The spelling of 23312001012 in words is "twenty-three billion, three hundred twelve million, one thousand, twelve".