23085599 has 2 divisors, whose sum is σ = 23085600. Its totient is φ = 23085598.

The previous prime is 23085529. The next prime is 23085611. The reversal of 23085599 is 99558032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23085599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23085529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11542799 + 11542800.

It is an arithmetic number, because the mean of its divisors is an integer number (11542800).

Almost surely, 2^23085599 is an apocalyptic number.

23085599 is a deficient number, since it is larger than the sum of its proper divisors (1).

23085599 is an equidigital number, since it uses as much as digits as its factorization.

23085599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 23085599 is about 4804.7475479987. The cubic root of 23085599 is about 284.7390614619.

The spelling of 23085599 in words is "twenty-three million, eighty-five thousand, five hundred ninety-nine".