23166463 has 4 divisors (see below), whose sum is σ = 23383080. Its totient is φ = 22949848.

The previous prime is 23166457. The next prime is 23166467. The reversal of 23166463 is 36466132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23166463 - 2⁵ = 23166431 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23166467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108148 + ... + 108361.

It is an arithmetic number, because the mean of its divisors is an integer number (5845770).

Almost surely, 2^23166463 is an apocalyptic number.

23166463 is a deficient number, since it is larger than the sum of its proper divisors (216617).

23166463 is a wasteful number, since it uses less digits than its factorization.

23166463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216616.

The product of its digits is 15552, while the sum is 31.

The square root of 23166463 is about 4813.1552021517. The cubic root of 23166463 is about 285.0711343932.

The spelling of 23166463 in words is "twenty-three million, one hundred sixty-six thousand, four hundred sixty-three".