123736685604 has 24 divisors (see below), whose sum is σ = 329964495168. Its totient is φ = 35353338720.

The previous prime is 123736685563. The next prime is 123736685617. The reversal of 123736685604 is 406586637321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736527807 + ... + 736527974.

It is an arithmetic number, because the mean of its divisors is an integer number (13748520632).

Almost surely, 2^123736685604 is an apocalyptic number.

123736685604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123736685604 is an abundant number, since it is smaller than the sum of its proper divisors (206227809564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123736685604 is a wasteful number, since it uses less digits than its factorization.

123736685604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473055795 (or 1473055793 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 123736685604 in words is "one hundred twenty-three billion, seven hundred thirty-six million, six hundred eighty-five thousand, six hundred four".