23121311113032 has 128 divisors (see below), whose sum is σ = 67013800243200. Its totient is φ = 6569979724800.

The previous prime is 23121311113003. The next prime is 23121311113051. The reversal of 23121311113032 is 23031111312132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23121311112993 and 23121311113011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8288932 + ... + 10721427.

It is an arithmetic number, because the mean of its divisors is an integer number (523545314400).

Almost surely, 2^{23121311113032} is an apocalyptic number.

23121311113032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23121311113032 is an abundant number, since it is smaller than the sum of its proper divisors (43892489130168).

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

23121311113032 is a wasteful number, since it uses less digits than its factorization.

23121311113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19010667 (or 19010663 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 23121311113032 its reverse (23031111312132), we get a palindrome (46152422425164).

The spelling of 23121311113032 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred eleven million, one hundred thirteen thousand, thirty-two".