23434491 has 4 divisors (see below), whose sum is σ = 31245992. Its totient is φ = 15622992.

The previous prime is 23434487. The next prime is 23434511. The reversal of 23434491 is 19443432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23434491 - 2² = 23434487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23434091) 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, 3905746 + ... + 3905751.

It is an arithmetic number, because the mean of its divisors is an integer number (7811498).

Almost surely, 2^23434491 is an apocalyptic number.

23434491 is a deficient number, since it is larger than the sum of its proper divisors (7811501).

23434491 is an equidigital number, since it uses as much as digits as its factorization.

23434491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811500.

The product of its digits is 10368, while the sum is 30.

The square root of 23434491 is about 4840.9184046005. The cubic root of 23434491 is about 286.1663131981.

The spelling of 23434491 in words is "twenty-three million, four hundred thirty-four thousand, four hundred ninety-one".