123051317403507 has 16 divisors (see below), whose sum is σ = 175200985850880. Its totient is φ = 76650431306400.

The previous prime is 123051317403403. The next prime is 123051317403577. The reversal of 123051317403507 is 705304713150321.

It is not a de Polignac number, because 123051317403507 - 2¹² = 123051317399411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123051317403577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22812625669 + ... + 22812631062.

It is an arithmetic number, because the mean of its divisors is an integer number (10950061615680).

Almost surely, 2^{123051317403507} is an apocalyptic number.

123051317403507 is a deficient number, since it is larger than the sum of its proper divisors (52149668447373).

123051317403507 is a wasteful number, since it uses less digits than its factorization.

123051317403507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45625256794.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 123051317403507 in words is "one hundred twenty-three trillion, fifty-one billion, three hundred seventeen million, four hundred three thousand, five hundred seven".