23890967 has 4 divisors (see below), whose sum is σ = 25296336. Its totient is φ = 22485600.

The previous prime is 23890957. The next prime is 23891009. The reversal of 23890967 is 76909832.

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 23890967 - 2²⁴ = 7113751 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890907) 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, 702659 + ... + 702692.

It is an arithmetic number, because the mean of its divisors is an integer number (6324084).

Almost surely, 2^23890967 is an apocalyptic number.

23890967 is a deficient number, since it is larger than the sum of its proper divisors (1405369).

23890967 is a wasteful number, since it uses less digits than its factorization.

23890967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405368.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 23890967 is about 4887.8386839175. The cubic root of 23890967 is about 288.0124375737.

The spelling of 23890967 in words is "twenty-three million, eight hundred ninety thousand, nine hundred sixty-seven".