123230012122320 has 80 divisors (see below), whose sum is σ = 387246092943552. Its totient is φ = 32411181265920.

The previous prime is 123230012122303. The next prime is 123230012122387. The reversal of 123230012122320 is 23221210032321.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516820726 + ... + 3516855765.

Almost surely, 2^{123230012122320} is an apocalyptic number.

123230012122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123230012122320 is an abundant number, since it is smaller than the sum of its proper divisors (264016080821232).

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

123230012122320 is a wasteful number, since it uses less digits than its factorization.

123230012122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033676580 (or 7033676574 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123230012122320 its reverse (23221210032321), we get a palindrome (146451222154641).

The spelling of 123230012122320 in words is "one hundred twenty-three trillion, two hundred thirty billion, twelve million, one hundred twenty-two thousand, three hundred twenty".