123012353403500 has 96 divisors (see below), whose sum is σ = 295319796355584. Its totient is φ = 44390300760000.

The previous prime is 123012353403487. The next prime is 123012353403529. The reversal of 123012353403500 is 5304353210321.

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 31 ways as a sum of consecutive naturals, for example, 84645464 + ... + 86086463.

It is an arithmetic number, because the mean of its divisors is an integer number (3076247878704).

Almost surely, 2^{123012353403500} is an apocalyptic number.

123012353403500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123012353403500 is an abundant number, since it is smaller than the sum of its proper divisors (172307442952084).

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

123012353403500 is a wasteful number, since it uses less digits than its factorization.

123012353403500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170732088 (or 170732076 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 123012353403500 in words is "one hundred twenty-three trillion, twelve billion, three hundred fifty-three million, four hundred three thousand, five hundred".