123112022320 has 40 divisors (see below), whose sum is σ = 327126232224. Its totient is φ = 42209836032.

The previous prime is 123112022311. The next prime is 123112022323. The reversal of 123112022320 is 23220211321.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (123112022323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109920889 + ... + 109922008.

Almost surely, 2^123112022320 is an apocalyptic number.

123112022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112022320 is an abundant number, since it is smaller than the sum of its proper divisors (204014209904).

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

123112022320 is a wasteful number, since it uses less digits than its factorization.

123112022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219842917 (or 219842911 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123112022320 its reverse (23220211321), we get a palindrome (146332233641).

The spelling of 123112022320 in words is "one hundred twenty-three billion, one hundred twelve million, twenty-two thousand, three hundred twenty".