123320123122300 has 144 divisors (see below), whose sum is σ = 302211156623040. Its totient is φ = 43361220188160.

The previous prime is 123320123122297. The next prime is 123320123122331. The reversal of 123320123122300 is 3221321023321.

It is a super-2 number, since 2×123320123122300² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19652632 + ... + 25156831.

It is an arithmetic number, because the mean of its divisors is an integer number (2098688587660).

Almost surely, 2^{123320123122300} is an apocalyptic number.

123320123122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123320123122300 is an abundant number, since it is smaller than the sum of its proper divisors (178891033500740).

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

123320123122300 is a wasteful number, since it uses less digits than its factorization.

123320123122300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44809592 (or 44809585 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123320123122300 its reverse (3221321023321), we get a palindrome (126541444145621).

The spelling of 123320123122300 in words is "one hundred twenty-three trillion, three hundred twenty billion, one hundred twenty-three million, one hundred twenty-two thousand, three hundred".