23440574 has 4 divisors (see below), whose sum is σ = 35160864. Its totient is φ = 11720286.

The previous prime is 23440537. The next prime is 23440577. The reversal of 23440574 is 47504432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5860142 + ... + 5860145.

It is an arithmetic number, because the mean of its divisors is an integer number (8790216).

Almost surely, 2^23440574 is an apocalyptic number.

23440574 is a deficient number, since it is larger than the sum of its proper divisors (11720290).

23440574 is a wasteful number, since it uses less digits than its factorization.

23440574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720289.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 23440574 is about 4841.5466537048. The cubic root of 23440574 is about 286.1910715637.

The spelling of 23440574 in words is "twenty-three million, four hundred forty thousand, five hundred seventy-four".