23129292 has 48 divisors (see below), whose sum is σ = 56038752. Its totient is φ = 7418880.

The previous prime is 23129291. The next prime is 23129339. The reversal of 23129292 is 29292132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23129291) 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, 49942 + ... + 50402.

It is an arithmetic number, because the mean of its divisors is an integer number (1167474).

Almost surely, 2^23129292 is an apocalyptic number.

It is an amenable number.

23129292 is an abundant number, since it is smaller than the sum of its proper divisors (32909460).

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

23129292 is a wasteful number, since it uses less digits than its factorization.

23129292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 616 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 23129292 is about 4809.2922556235. The cubic root of 23129292 is about 284.9185855477.

The spelling of 23129292 in words is "twenty-three million, one hundred twenty-nine thousand, two hundred ninety-two".