123315454044003 has 32 divisors (see below), whose sum is σ = 178394251875840. Its totient is φ = 75319051449600.

The previous prime is 123315454044001. The next prime is 123315454044007. The reversal of 123315454044003 is 300440454513321.

It is not a de Polignac number, because 123315454044003 - 2¹ = 123315454044001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (123315454044001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2153658 + ... + 15851471.

It is an arithmetic number, because the mean of its divisors is an integer number (5574820371120).

Almost surely, 2^{123315454044003} is an apocalyptic number.

123315454044003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123315454044003 is a deficient number, since it is larger than the sum of its proper divisors (55078797831837).

123315454044003 is a wasteful number, since it uses less digits than its factorization.

123315454044003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006459.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 123315454044003 in words is "one hundred twenty-three trillion, three hundred fifteen billion, four hundred fifty-four million, forty-four thousand, three".