123303353453320 has 64 divisors (see below), whose sum is σ = 280400977584000. Its totient is φ = 48794559955968.

The previous prime is 123303353453299. The next prime is 123303353453389. The reversal of 123303353453320 is 23354353303321.

It is a super-2 number, since 2×123303353453320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10486705 + ... + 18883264.

It is an arithmetic number, because the mean of its divisors is an integer number (4381265274750).

Almost surely, 2^{123303353453320} is an apocalyptic number.

123303353453320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123303353453320 is an abundant number, since it is smaller than the sum of its proper divisors (157097624130680).

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

123303353453320 is a wasteful number, since it uses less digits than its factorization.

123303353453320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29371102 (or 29371098 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 40.

The spelling of 123303353453320 in words is "one hundred twenty-three trillion, three hundred three billion, three hundred fifty-three million, four hundred fifty-three thousand, three hundred twenty".