23506171636 has 12 divisors (see below), whose sum is σ = 41810158180. Its totient is φ = 11560412160.

The previous prime is 23506171607. The next prime is 23506171657. The reversal of 23506171636 is 63617160532.

It can be written as a sum of positive squares in 2 ways, for example, as 8325467536 + 15180704100 = 91244^2 + 123210^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48168141 + ... + 48168628.

Almost surely, 2^23506171636 is an apocalyptic number.

It is an amenable number.

23506171636 is a deficient number, since it is larger than the sum of its proper divisors (18303986544).

23506171636 is a wasteful number, since it uses less digits than its factorization.

23506171636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96336834 (or 96336832 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 23506171636 in words is "twenty-three billion, five hundred six million, one hundred seventy-one thousand, six hundred thirty-six".