123021352334420 has 24 divisors (see below), whose sum is σ = 261247590916200. Its totient is φ = 48655635978752.

The previous prime is 123021352334407. The next prime is 123021352334459. The reversal of 123021352334420 is 24433253120321.

123021352334420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13780978251076 + 109240374083344 = 3712274^2 + 10451812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34556557865 + ... + 34556561424.

It is an arithmetic number, because the mean of its divisors is an integer number (10885316288175).

Almost surely, 2^{123021352334420} is an apocalyptic number.

123021352334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123021352334420 is an abundant number, since it is smaller than the sum of its proper divisors (138226238581780).

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

123021352334420 is a wasteful number, since it uses less digits than its factorization.

123021352334420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69113119387 (or 69113119385 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 123021352334420 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred fifty-two million, three hundred thirty-four thousand, four hundred twenty".