123487574164 has 24 divisors (see below), whose sum is σ = 217565187840. Its totient is φ = 61326901056.

The previous prime is 123487574159. The next prime is 123487574207. The reversal of 123487574164 is 461475784321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512989 + ... + 714235.

It is an arithmetic number, because the mean of its divisors is an integer number (9065216160).

Almost surely, 2^123487574164 is an apocalyptic number.

It is an amenable number.

123487574164 is a deficient number, since it is larger than the sum of its proper divisors (94077613676).

123487574164 is a wasteful number, since it uses less digits than its factorization.

123487574164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202287 (or 202285 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 123487574164 in words is "one hundred twenty-three billion, four hundred eighty-seven million, five hundred seventy-four thousand, one hundred sixty-four".