23147263 has 4 divisors (see below), whose sum is σ = 24365560. Its totient is φ = 21928968.

The previous prime is 23147239. The next prime is 23147279. The reversal of 23147263 is 36274132.

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 23147263 - 2⁵ = 23147231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147233) 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, 609120 + ... + 609157.

It is an arithmetic number, because the mean of its divisors is an integer number (6091390).

Almost surely, 2^23147263 is an apocalyptic number.

23147263 is a deficient number, since it is larger than the sum of its proper divisors (1218297).

23147263 is a wasteful number, since it uses less digits than its factorization.

23147263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218296.

The product of its digits is 6048, while the sum is 28.

The square root of 23147263 is about 4811.1602550736. The cubic root of 23147263 is about 284.9923584696.

The spelling of 23147263 in words is "twenty-three million, one hundred forty-seven thousand, two hundred sixty-three".