23239542 has 8 divisors (see below), whose sum is σ = 46479096. Its totient is φ = 7746512.

The previous prime is 23239537. The next prime is 23239547. The reversal of 23239542 is 24593232.

It is an interprime number because it is at equal distance from previous prime (23239537) and next prime (23239547).

It is a sphenic number, since it is the product of 3 distinct primes.

23239542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23239547) 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, 1936623 + ... + 1936634.

It is an arithmetic number, because the mean of its divisors is an integer number (5809887).

Almost surely, 2^23239542 is an apocalyptic number.

23239542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23239542 is a wasteful number, since it uses less digits than its factorization.

23239542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873262.

The product of its digits is 12960, while the sum is 30.

The square root of 23239542 is about 4820.7408144392. The cubic root of 23239542 is about 285.3705736591.

The spelling of 23239542 in words is "twenty-three million, two hundred thirty-nine thousand, five hundred forty-two".