23646544145 has 128 divisors (see below), whose sum is σ = 37988352000. Its totient is φ = 13729554432.

The previous prime is 23646544067. The next prime is 23646544151. The reversal of 23646544145 is 54144564632.

It is not a de Polignac number, because 23646544145 - 2⁸ = 23646543889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23646544096 and 23646544105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51742757 + ... + 51743213.

It is an arithmetic number, because the mean of its divisors is an integer number (296784000).

Almost surely, 2^23646544145 is an apocalyptic number.

It is an amenable number.

23646544145 is a deficient number, since it is larger than the sum of its proper divisors (14341807855).

23646544145 is a wasteful number, since it uses less digits than its factorization.

23646544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its digits is 1382400, while the sum is 44.

The spelling of 23646544145 in words is "twenty-three billion, six hundred forty-six million, five hundred forty-four thousand, one hundred forty-five".