23423590 has 48 divisors (see below), whose sum is σ = 45586800. Its totient is φ = 8652672.

The previous prime is 23423567. The next prime is 23423593. The reversal of 23423590 is 9532432.

23423590 is a nontrivial binomial coefficient, being equal to C(6845, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396981 + ... + 397039.

It is an arithmetic number, because the mean of its divisors is an integer number (949725).

Almost surely, 2^23423590 is an apocalyptic number.

23423590 is the 6844-th triangular number.

23423590 is the 2282-nd centered nonagonal number.

23423590 is a deficient number, since it is larger than the sum of its proper divisors (22163210).

23423590 is a wasteful number, since it uses less digits than its factorization.

23423590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23423590 is about 4839.7923509175. The cubic root of 23423590 is about 286.1219344118.

The spelling of 23423590 in words is "twenty-three million, four hundred twenty-three thousand, five hundred ninety".