23129590 has 32 divisors (see below), whose sum is σ = 45639936. Its totient is φ = 8369760.

The previous prime is 23129569. The next prime is 23129591. The reversal of 23129590 is 9592132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23129591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30759 + ... + 31501.

It is an arithmetic number, because the mean of its divisors is an integer number (1426248).

Almost surely, 2^23129590 is an apocalyptic number.

23129590 is a deficient number, since it is larger than the sum of its proper divisors (22510346).

23129590 is a wasteful number, since it uses less digits than its factorization.

23129590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 23129590 is about 4809.3232372133. The cubic root of 23129590 is about 284.9198091818.

The spelling of 23129590 in words is "twenty-three million, one hundred twenty-nine thousand, five hundred ninety".