23183191 has 2 divisors, whose sum is σ = 23183192. Its totient is φ = 23183190.

The previous prime is 23183183. The next prime is 23183197. The reversal of 23183191 is 19138132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23183191 - 2³ = 23183183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23183197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11591595 + 11591596.

It is an arithmetic number, because the mean of its divisors is an integer number (11591596).

Almost surely, 2^23183191 is an apocalyptic number.

23183191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23183191 is an equidigital number, since it uses as much as digits as its factorization.

23183191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 23183191 is about 4814.8926260094. The cubic root of 23183191 is about 285.1397324439.

The spelling of 23183191 in words is "twenty-three million, one hundred eighty-three thousand, one hundred ninety-one".