123023012320320 has 224 divisors, whose sum is σ = 469892408448000. Its totient is φ = 26639569557504.

The previous prime is 123023012320289. The next prime is 123023012320331. The reversal of 123023012320320 is 23023210320321.

It is a tau number, because it is divible by the number of its divisors (224).

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

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, 481635370 + ... + 481890729.

Almost surely, 2^{123023012320320} is an apocalyptic number.

123023012320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123023012320320 is an abundant number, since it is smaller than the sum of its proper divisors (346869396127680).

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

123023012320320 is a wasteful number, since it uses less digits than its factorization.

123023012320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963526145 (or 963526135 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123023012320320 its reverse (23023210320321), we get a palindrome (146046222640641).

The spelling of 123023012320320 in words is "one hundred twenty-three trillion, twenty-three billion, twelve million, three hundred twenty thousand, three hundred twenty".