123313454500220 has 72 divisors (see below), whose sum is σ = 276059185304784. Its totient is φ = 46259846129664.

The previous prime is 123313454500199. The next prime is 123313454500259. The reversal of 123313454500220 is 22005454313321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36057737 + ... + 39329216.

Almost surely, 2^{123313454500220} is an apocalyptic number.

123313454500220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123313454500220 is an abundant number, since it is smaller than the sum of its proper divisors (152745730804564).

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

123313454500220 is a wasteful number, since it uses less digits than its factorization.

123313454500220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75387279 (or 75387260 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 123313454500220 in words is "one hundred twenty-three trillion, three hundred thirteen billion, four hundred fifty-four million, five hundred thousand, two hundred twenty".