23310311232 has 112 divisors (see below), whose sum is σ = 67040955072. Its totient is φ = 7105290240.

The previous prime is 23310311191. The next prime is 23310311267. The reversal of 23310311232 is 23211301332.

It is a junction number, because it is equal to n+sod(n) for n = 23310311199 and 23310311208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223432 + ... + 310712.

It is an arithmetic number, because the mean of its divisors is an integer number (598579956).

Almost surely, 2^23310311232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23310311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33520477536).

23310311232 is an abundant number, since it is smaller than the sum of its proper divisors (43730643840).

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

23310311232 is a wasteful number, since it uses less digits than its factorization.

23310311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87416 (or 87406 counting only the distinct ones).

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

Adding to 23310311232 its reverse (23211301332), we get a palindrome (46521612564).

The spelling of 23310311232 in words is "twenty-three billion, three hundred ten million, three hundred eleven thousand, two hundred thirty-two".