23090953 has 4 divisors (see below), whose sum is σ = 23101200. Its totient is φ = 23080708.

The previous prime is 23090941. The next prime is 23090971. The reversal of 23090953 is 35909032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23090953 - 2²¹ = 20993801 is a prime.

It is a super-2 number, since 2×23090953² = 1066384220896418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23091953) 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, 103 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (5775300).

Almost surely, 2^23090953 is an apocalyptic number.

It is an amenable number.

23090953 is a deficient number, since it is larger than the sum of its proper divisors (10247).

23090953 is an equidigital number, since it uses as much as digits as its factorization.

23090953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 23090953 is about 4805.3046729630. The cubic root of 23090953 is about 284.7610719384.

Adding to 23090953 its reverse (35909032), we get a palindrome (58999985).

The spelling of 23090953 in words is "twenty-three million, ninety thousand, nine hundred fifty-three".