23129022 has 16 divisors (see below), whose sum is σ = 52866432. Its totient is φ = 6608280.

The previous prime is 23129021. The next prime is 23129039. The reversal of 23129022 is 22092132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23129022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23129021) 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, 275304 + ... + 275387.

It is an arithmetic number, because the mean of its divisors is an integer number (3304152).

Almost surely, 2^23129022 is an apocalyptic number.

23129022 is an abundant number, since it is smaller than the sum of its proper divisors (29737410).

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

23129022 is a wasteful number, since it uses less digits than its factorization.

23129022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550703.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23129022 is about 4809.2641848832. The cubic root of 23129022 is about 284.9174768768.

The spelling of 23129022 in words is "twenty-three million, one hundred twenty-nine thousand, twenty-two".