23007439 has 8 divisors (see below), whose sum is σ = 28316960. Its totient is φ = 18203616.

The previous prime is 23007403. The next prime is 23007449. The reversal of 23007439 is 93470032.

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

It is a cyclic number.

It is not a de Polignac number, because 23007439 - 2⁷ = 23007311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23007449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126324 + ... + 126505.

It is an arithmetic number, because the mean of its divisors is an integer number (3539620).

Almost surely, 2^23007439 is an apocalyptic number.

23007439 is a deficient number, since it is larger than the sum of its proper divisors (5309521).

23007439 is a wasteful number, since it uses less digits than its factorization.

23007439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252849.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23007439 is about 4796.6070299744. The cubic root of 23007439 is about 284.4173548635.

The spelling of 23007439 in words is "twenty-three million, seven thousand, four hundred thirty-nine".