23168505 has 16 divisors (see below), whose sum is σ = 39021120. Its totient is φ = 11706048.

The previous prime is 23168489. The next prime is 23168513. The reversal of 23168505 is 50586132.

It is not a de Polignac number, because 23168505 - 2⁴ = 23168489 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 40362 + ... + 40931.

It is an arithmetic number, because the mean of its divisors is an integer number (2438820).

Almost surely, 2^23168505 is an apocalyptic number.

It is an amenable number.

23168505 is a deficient number, since it is larger than the sum of its proper divisors (15852615).

23168505 is a wasteful number, since it uses less digits than its factorization.

23168505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81320.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 23168505 is about 4813.3673244414. The cubic root of 23168505 is about 285.0795099798.

The spelling of 23168505 in words is "twenty-three million, one hundred sixty-eight thousand, five hundred five".