123003455551300 has 18 divisors (see below), whose sum is σ = 266917498546538. Its totient is φ = 49201382220480.

The previous prime is 123003455551289. The next prime is 123003455551321. The reversal of 123003455551300 is 3155554300321.

It can be written as a sum of positive squares in 3 ways, for example, as 11312715179844 + 111690740371456 = 3363438^2 + 10568384^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123003455551300.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615017277657 + ... + 615017277856.

Almost surely, 2^{123003455551300} is an apocalyptic number.

123003455551300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123003455551300 is an abundant number, since it is smaller than the sum of its proper divisors (143914042995238).

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

123003455551300 is a wasteful number, since it uses less digits than its factorization.

123003455551300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230034555527 (or 1230034555520 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 123003455551300 in words is "one hundred twenty-three trillion, three billion, four hundred fifty-five million, five hundred fifty-one thousand, three hundred".