23245439 has 4 divisors (see below), whose sum is σ = 26566224. Its totient is φ = 19924656.

The previous prime is 23245427. The next prime is 23245441. The reversal of 23245439 is 93454232.

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 23245439 - 2⁴ = 23245423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23245459) 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, 1660382 + ... + 1660395.

It is an arithmetic number, because the mean of its divisors is an integer number (6641556).

Almost surely, 2^23245439 is an apocalyptic number.

23245439 is a deficient number, since it is larger than the sum of its proper divisors (3320785).

23245439 is an equidigital number, since it uses as much as digits as its factorization.

23245439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320784.

The product of its digits is 25920, while the sum is 32.

The square root of 23245439 is about 4821.3524036312. The cubic root of 23245439 is about 285.3947090738.

The spelling of 23245439 in words is "twenty-three million, two hundred forty-five thousand, four hundred thirty-nine".