123042053134015 has 32 divisors (see below), whose sum is σ = 148033063080000. Its totient is φ = 98178923501568.

The previous prime is 123042053133991. The next prime is 123042053134027. The reversal of 123042053134015 is 510431350240321.

It is a cyclic number.

It is not a de Polignac number, because 123042053134015 - 2¹⁷ = 123042053002943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29094831921 + ... + 29094836149.

It is an arithmetic number, because the mean of its divisors is an integer number (4626033221250).

Almost surely, 2^{123042053134015} is an apocalyptic number.

123042053134015 is a deficient number, since it is larger than the sum of its proper divisors (24991009945985).

123042053134015 is a wasteful number, since it uses less digits than its factorization.

123042053134015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 123042053134015 in words is "one hundred twenty-three trillion, forty-two billion, fifty-three million, one hundred thirty-four thousand, fifteen".