123331112333320 has 32 divisors (see below), whose sum is σ = 277495405634520. Its totient is φ = 49332373309440.

The previous prime is 123331112333281. The next prime is 123331112333389. The reversal of 123331112333320 is 23333211133321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83232303834276 + 40098808499044 = 9123174^2 + 6332362^2 .

It is a super-2 number, since 2×123331112333320² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32197810 + ... + 35824030.

Almost surely, 2^{123331112333320} is an apocalyptic number.

123331112333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123331112333320 is an abundant number, since it is smaller than the sum of its proper divisors (154164293301200).

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

123331112333320 is a wasteful number, since it uses less digits than its factorization.

123331112333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476505 (or 4476501 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 123331112333320 its reverse (23333211133321), we get a palindrome (146664323466641).

The spelling of 123331112333320 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, one hundred twelve million, three hundred thirty-three thousand, three hundred twenty".