23439522 has 16 divisors (see below), whose sum is σ = 46946592. Its totient is φ = 7801920.

The previous prime is 23439517. The next prime is 23439523. The reversal of 23439522 is 22593432.

It is a super-2 number, since 2×23439522² = 1098822383176968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23439522.

It is not an unprimeable number, because it can be changed into a prime (23439523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (2934162).

Almost surely, 2^23439522 is an apocalyptic number.

23439522 is an abundant number, since it is smaller than the sum of its proper divisors (23507070).

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

23439522 is a wasteful number, since it uses less digits than its factorization.

23439522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633.

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

The square root of 23439522 is about 4841.4380095174. The cubic root of 23439522 is about 286.1867901339.

The spelling of 23439522 in words is "twenty-three million, four hundred thirty-nine thousand, five hundred twenty-two".