23686736348930 has 16 divisors (see below), whose sum is σ = 45144132806520. Its totient is φ = 8917359566592.

The previous prime is 23686736348857. The next prime is 23686736348959. The reversal of 23686736348930 is 3984363768632.

It can be written as a sum of positive squares in 4 ways, for example, as 19403769510841 + 4282966838089 = 4404971^2 + 2069533^2 .

It is a super-2 number, since 2×23686736348930² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

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, 69666871445 + ... + 69666871784.

Almost surely, 2^{23686736348930} is an apocalyptic number.

23686736348930 is a deficient number, since it is larger than the sum of its proper divisors (21457396457590).

23686736348930 is a wasteful number, since it uses less digits than its factorization.

23686736348930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139333743253.

The product of its (nonzero) digits is 564350976, while the sum is 68.

The spelling of 23686736348930 in words is "twenty-three trillion, six hundred eighty-six billion, seven hundred thirty-six million, three hundred forty-eight thousand, nine hundred thirty".