23285191 has 2 divisors, whose sum is σ = 23285192. Its totient is φ = 23285190.

The previous prime is 23285183. The next prime is 23285201. The reversal of 23285191 is 19158232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23285191 - 2³ = 23285183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23285111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11642595 + 11642596.

It is an arithmetic number, because the mean of its divisors is an integer number (11642596).

Almost surely, 2^23285191 is an apocalyptic number.

23285191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23285191 is an equidigital number, since it uses as much as digits as its factorization.

23285191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 23285191 is about 4825.4731374239. The cubic root of 23285191 is about 285.5573008204.

The spelling of 23285191 in words is "twenty-three million, two hundred eighty-five thousand, one hundred ninety-one".