23666272555 has 8 divisors (see below), whose sum is σ = 28606823712. Its totient is φ = 18794820288.

The previous prime is 23666272537. The next prime is 23666272561. The reversal of 23666272555 is 55527266632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23666272555 - 2²³ = 23657883947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23666272499 and 23666272508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17273967 + ... + 17275336.

It is an arithmetic number, because the mean of its divisors is an integer number (3575852964).

Almost surely, 2^23666272555 is an apocalyptic number.

23666272555 is a deficient number, since it is larger than the sum of its proper divisors (4940551157).

23666272555 is a wasteful number, since it uses less digits than its factorization.

23666272555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34549445.

The product of its digits is 4536000, while the sum is 49.

The spelling of 23666272555 in words is "twenty-three billion, six hundred sixty-six million, two hundred seventy-two thousand, five hundred fifty-five".