23166523355 has 32 divisors (see below), whose sum is σ = 29799802368. Its totient is φ = 17257881600.

The previous prime is 23166523333. The next prime is 23166523397. The reversal of 23166523355 is 55332566132.

It is not a de Polignac number, because 23166523355 - 2⁶ = 23166523291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438947 + ... + 488883.

It is an arithmetic number, because the mean of its divisors is an integer number (931243824).

Almost surely, 2^23166523355 is an apocalyptic number.

23166523355 is a deficient number, since it is larger than the sum of its proper divisors (6633279013).

23166523355 is a wasteful number, since it uses less digits than its factorization.

23166523355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50087.

The product of its digits is 486000, while the sum is 41.

The spelling of 23166523355 in words is "twenty-three billion, one hundred sixty-six million, five hundred twenty-three thousand, three hundred fifty-five".