23230591 has 2 divisors, whose sum is σ = 23230592. Its totient is φ = 23230590.

The previous prime is 23230583. The next prime is 23230607. The reversal of 23230591 is 19503232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23230591 - 2³ = 23230583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23230511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615295 + 11615296.

It is an arithmetic number, because the mean of its divisors is an integer number (11615296).

Almost surely, 2^23230591 is an apocalyptic number.

23230591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230591 is an equidigital number, since it uses as much as digits as its factorization.

23230591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 23230591 is about 4819.8123407452. The cubic root of 23230591 is about 285.3339309401. Note that the first 3 decimals are identical.

The spelling of 23230591 in words is "twenty-three million, two hundred thirty thousand, five hundred ninety-one".