23922429 has 4 divisors (see below), whose sum is σ = 31896576. Its totient is φ = 15948284.

The previous prime is 23922413. The next prime is 23922469. The reversal of 23922429 is 92422932.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23922429 - 2⁴ = 23922413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23922429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23922469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987069 + ... + 3987074.

It is an arithmetic number, because the mean of its divisors is an integer number (7974144).

Almost surely, 2^23922429 is an apocalyptic number.

It is an amenable number.

23922429 is a deficient number, since it is larger than the sum of its proper divisors (7974147).

23922429 is an equidigital number, since it uses as much as digits as its factorization.

23922429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974146.

The product of its digits is 15552, while the sum is 33.

The square root of 23922429 is about 4891.0560209427. The cubic root of 23922429 is about 288.1388099184.

The spelling of 23922429 in words is "twenty-three million, nine hundred twenty-two thousand, four hundred twenty-nine".