123577708513 has 16 divisors (see below), whose sum is σ = 142274828160. Its totient is φ = 105142997376.

The previous prime is 123577708469. The next prime is 123577708517. The reversal of 123577708513 is 315807775321.

It is a cyclic number.

It is not a de Polignac number, because 123577708513 - 2³³ = 114987773921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123577708517) 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, 856131 + ... + 990007.

It is an arithmetic number, because the mean of its divisors is an integer number (8892176760).

Almost surely, 2^123577708513 is an apocalyptic number.

It is an amenable number.

123577708513 is a deficient number, since it is larger than the sum of its proper divisors (18697119647).

123577708513 is a wasteful number, since it uses less digits than its factorization.

123577708513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134856.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 123577708513 in words is "one hundred twenty-three billion, five hundred seventy-seven million, seven hundred eight thousand, five hundred thirteen".