23156263 has 8 divisors (see below), whose sum is σ = 25002656. Its totient is φ = 21319200.

The previous prime is 23156249. The next prime is 23156293. The reversal of 23156263 is 36265132.

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 23156263 - 2¹³ = 23148071 is a prime.

It is a super-2 number, since 2×23156263² = 1072425032250338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23156293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3358 + ... + 7588.

It is an arithmetic number, because the mean of its divisors is an integer number (3125332).

Almost surely, 2^23156263 is an apocalyptic number.

23156263 is a deficient number, since it is larger than the sum of its proper divisors (1846393).

23156263 is a wasteful number, since it uses less digits than its factorization.

23156263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

The product of its digits is 6480, while the sum is 28.

The square root of 23156263 is about 4812.0954894931. The cubic root of 23156263 is about 285.0292901055.

The spelling of 23156263 in words is "twenty-three million, one hundred fifty-six thousand, two hundred sixty-three".