123056615015 has 16 divisors (see below), whose sum is σ = 149707486656. Its totient is φ = 97085894400.

The previous prime is 123056614991. The next prime is 123056615041. The reversal of 123056615015 is 510516650321.

It is not a de Polignac number, because 123056615015 - 2¹⁸ = 123056352871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5369030 + ... + 5391900.

It is an arithmetic number, because the mean of its divisors is an integer number (9356717916).

Almost surely, 2^123056615015 is an apocalyptic number.

123056615015 is a deficient number, since it is larger than the sum of its proper divisors (26650871641).

123056615015 is a wasteful number, since it uses less digits than its factorization.

123056615015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37690.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 123056615015 in words is "one hundred twenty-three billion, fifty-six million, six hundred fifteen thousand, fifteen".