23089895 has 4 divisors (see below), whose sum is σ = 27707880. Its totient is φ = 18471912.

The previous prime is 23089879. The next prime is 23089897. The reversal of 23089895 is 59898032.

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 23089895 - 2⁴ = 23089879 is a prime.

It is a super-2 number, since 2×23089895² = 1066286502222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089897) 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, 2308985 + ... + 2308994.

It is an arithmetic number, because the mean of its divisors is an integer number (6926970).

Almost surely, 2^23089895 is an apocalyptic number.

23089895 is a deficient number, since it is larger than the sum of its proper divisors (4617985).

23089895 is an equidigital number, since it uses as much as digits as its factorization.

23089895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617984.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 23089895 is about 4805.1945850298. The cubic root of 23089895 is about 284.7567227341.

The spelling of 23089895 in words is "twenty-three million, eighty-nine thousand, eight hundred ninety-five".