23120553021012 has 48 divisors (see below), whose sum is σ = 60003907185600. Its totient is φ = 7698913947360.

The previous prime is 23120553021011. The next prime is 23120553021073. The reversal of 23120553021012 is 21012035502132.

23120553021012 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 0 + 553 + 0 + 2 + 101 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120553021011) 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, 110131587 + ... + 110341322.

It is an arithmetic number, because the mean of its divisors is an integer number (1250081399700).

Almost surely, 2^{23120553021012} is an apocalyptic number.

It is an amenable number.

23120553021012 is an abundant number, since it is smaller than the sum of its proper divisors (36883354164588).

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

23120553021012 is a wasteful number, since it uses less digits than its factorization.

23120553021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220473893 (or 220473885 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 23120553021012 its reverse (21012035502132), we get a palindrome (44132588523144).

The spelling of 23120553021012 in words is "twenty-three trillion, one hundred twenty billion, five hundred fifty-three million, twenty-one thousand, twelve".