23144081 has 4 divisors (see below), whose sum is σ = 23154672. Its totient is φ = 23133492.

The previous prime is 23144063. The next prime is 23144101. The reversal of 23144081 is 18044132.

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 a de Polignac number, because none of the positive numbers 2^k-23144081 is a prime.

It is a super-2 number, since 2×23144081² = 1071296970669122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144041) 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, 671 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (5788668).

Almost surely, 2^23144081 is an apocalyptic number.

It is an amenable number.

23144081 is a deficient number, since it is larger than the sum of its proper divisors (10591).

23144081 is an equidigital number, since it uses as much as digits as its factorization.

23144081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 23144081 is about 4810.8295542453. The cubic root of 23144081 is about 284.9792987939.

The spelling of 23144081 in words is "twenty-three million, one hundred forty-four thousand, eighty-one".