23090959 has 4 divisors (see below), whose sum is σ = 23582304. Its totient is φ = 22599616.

The previous prime is 23090941. The next prime is 23090971. The reversal of 23090959 is 95909032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23090959 - 2⁹ = 23090447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23090929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245602 + ... + 245695.

It is an arithmetic number, because the mean of its divisors is an integer number (5895576).

Almost surely, 2^23090959 is an apocalyptic number.

23090959 is a deficient number, since it is larger than the sum of its proper divisors (491345).

23090959 is an equidigital number, since it uses as much as digits as its factorization.

23090959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491344.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 23090959 is about 4805.3052972730. The cubic root of 23090959 is about 284.7610966027.

The spelling of 23090959 in words is "twenty-three million, ninety thousand, nine hundred fifty-nine".