23082391 has 2 divisors, whose sum is σ = 23082392. Its totient is φ = 23082390.

The previous prime is 23082373. The next prime is 23082407. The reversal of 23082391 is 19328032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23082391 - 2⁷ = 23082263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23082341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11541195 + 11541196.

It is an arithmetic number, because the mean of its divisors is an integer number (11541196).

Almost surely, 2^23082391 is an apocalyptic number.

23082391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23082391 is an equidigital number, since it uses as much as digits as its factorization.

23082391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23082391 is about 4804.4136999222. The cubic root of 23082391 is about 284.7258716342.

It can be divided in two parts, 230 and 82391, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 23082391 in words is "twenty-three million, eighty-two thousand, three hundred ninety-one".