23438829 has 4 divisors (see below), whose sum is σ = 31251776. Its totient is φ = 15625884.

The previous prime is 23438819. The next prime is 23438843. The reversal of 23438829 is 92883432.

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 not a de Polignac number, because 23438829 - 2²⁰ = 22390253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23438819) 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, 3906469 + ... + 3906474.

It is an arithmetic number, because the mean of its divisors is an integer number (7812944).

Almost surely, 2^23438829 is an apocalyptic number.

It is an amenable number.

23438829 is a deficient number, since it is larger than the sum of its proper divisors (7812947).

23438829 is an equidigital number, since it uses as much as digits as its factorization.

23438829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812946.

The product of its digits is 82944, while the sum is 39.

The square root of 23438829 is about 4841.3664393433. The cubic root of 23438829 is about 286.1839696925.

The spelling of 23438829 in words is "twenty-three million, four hundred thirty-eight thousand, eight hundred twenty-nine".