123013300323220 has 48 divisors (see below), whose sum is σ = 267369880070160. Its totient is φ = 47484746781696.

The previous prime is 123013300323167. The next prime is 123013300323229. The reversal of 123013300323220 is 22323003310321.

It can be written as a sum of positive squares in 8 ways, for example, as 96786943236 + 122916513379984 = 311106^2 + 11086772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013300323229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52053267 + ... + 54365146.

It is an arithmetic number, because the mean of its divisors is an integer number (5570205834795).

Almost surely, 2^{123013300323220} is an apocalyptic number.

123013300323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123013300323220 is an abundant number, since it is smaller than the sum of its proper divisors (144356579746940).

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

123013300323220 is a wasteful number, since it uses less digits than its factorization.

123013300323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106420444 (or 106420442 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123013300323220 its reverse (22323003310321), we get a palindrome (145336303633541).

The spelling of 123013300323220 in words is "one hundred twenty-three trillion, thirteen billion, three hundred million, three hundred twenty-three thousand, two hundred twenty".