23621052617672 has 16 divisors (see below), whose sum is σ = 44289906161100. Its totient is φ = 11810410974720.

The previous prime is 23621052617651. The next prime is 23621052617689. The reversal of 23621052617672 is 27671625012632.

It can be written as a sum of positive squares in 2 ways, for example, as 23569335490276 + 51717127396 = 4854826^2 + 227414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23621052617672.

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, 13543229 + ... + 15187532.

Almost surely, 2^{23621052617672} is an apocalyptic number.

It is an amenable number.

23621052617672 is a deficient number, since it is larger than the sum of its proper divisors (20668853543428).

23621052617672 is a wasteful number, since it uses less digits than its factorization.

23621052617672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28833536 (or 28833532 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 23621052617672 in words is "twenty-three trillion, six hundred twenty-one billion, fifty-two million, six hundred seventeen thousand, six hundred seventy-two".