123302220344400 has 120 divisors (see below), whose sum is σ = 395441161638880. Its totient is φ = 32842044817920.

The previous prime is 123302220344389. The next prime is 123302220344453. The reversal of 123302220344400 is 4443022203321.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×123302220344400² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59206090 + ... + 61253289.

Almost surely, 2^{123302220344400} is an apocalyptic number.

123302220344400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302220344400 is an abundant number, since it is smaller than the sum of its proper divisors (272138941294480).

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

123302220344400 is a wasteful number, since it uses less digits than its factorization.

123302220344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120460253 (or 120460242 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 123302220344400 its reverse (4443022203321), we get a palindrome (127745242547721).

The spelling of 123302220344400 in words is "one hundred twenty-three trillion, three hundred two billion, two hundred twenty million, three hundred forty-four thousand, four hundred".