23895131 has 4 divisors (see below), whose sum is σ = 25733232. Its totient is φ = 22057032.

The previous prime is 23895127. The next prime is 23895139. The reversal of 23895131 is 13159832.

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 23895131 - 2² = 23895127 is a prime.

It is a super-2 number, since 2×23895131² = 1141954571014322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23895139) 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, 919031 + ... + 919056.

It is an arithmetic number, because the mean of its divisors is an integer number (6433308).

Almost surely, 2^23895131 is an apocalyptic number.

23895131 is a deficient number, since it is larger than the sum of its proper divisors (1838101).

23895131 is a wasteful number, since it uses less digits than its factorization.

23895131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838100.

The product of its digits is 6480, while the sum is 32.

The square root of 23895131 is about 4888.2646204967. The cubic root of 23895131 is about 288.0291693385.

The spelling of 23895131 in words is "twenty-three million, eight hundred ninety-five thousand, one hundred thirty-one".