23675591 has 2 divisors, whose sum is σ = 23675592. Its totient is φ = 23675590.

The previous prime is 23675581. The next prime is 23675593. The reversal of 23675591 is 19557632.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23675591 - 2⁶ = 23675527 is a prime.

Together with 23675593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23675593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11837795 + 11837796.

It is an arithmetic number, because the mean of its divisors is an integer number (11837796).

Almost surely, 2^23675591 is an apocalyptic number.

23675591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23675591 is an equidigital number, since it uses as much as digits as its factorization.

23675591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 23675591 is about 4865.7569811901. The cubic root of 23675591 is about 287.1443506507.

The spelling of 23675591 in words is "twenty-three million, six hundred seventy-five thousand, five hundred ninety-one".