23313123012 has 48 divisors (see below), whose sum is σ = 56780599680. Its totient is φ = 7430784768.

The previous prime is 23313123011. The next prime is 23313123019. The reversal of 23313123012 is 21032131332.

It is a self number, because there is not a number n which added to its sum of digits gives 23313123012.

It is not an unprimeable number, because it can be changed into a prime (23313123011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979914 + ... + 1003422.

It is an arithmetic number, because the mean of its divisors is an integer number (1182929160).

Almost surely, 2^23313123012 is an apocalyptic number.

It is an amenable number.

23313123012 is an abundant number, since it is smaller than the sum of its proper divisors (33467476668).

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

23313123012 is a wasteful number, since it uses less digits than its factorization.

23313123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27132 (or 27130 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23313123012 its reverse (21032131332), we get a palindrome (44345254344).

The spelling of 23313123012 in words is "twenty-three billion, three hundred thirteen million, one hundred twenty-three thousand, twelve".