23183213 has 2 divisors, whose sum is σ = 23183214. Its totient is φ = 23183212.

The previous prime is 23183197. The next prime is 23183219. The reversal of 23183213 is 31238132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 162409 = 4798^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 23183213 - 2⁴ = 23183197 is a prime.

It is a super-2 number, since 2×23183213² = 1074922730006738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23183219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11591606 + 11591607.

It is an arithmetic number, because the mean of its divisors is an integer number (11591607).

Almost surely, 2^23183213 is an apocalyptic number.

It is an amenable number.

23183213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23183213 is an equidigital number, since it uses as much as digits as its factorization.

23183213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 23183213 is about 4814.8949105874. The cubic root of 23183213 is about 285.1398226396.

The spelling of 23183213 in words is "twenty-three million, one hundred eighty-three thousand, two hundred thirteen".