23498239 has 4 divisors (see below), whose sum is σ = 23941656. Its totient is φ = 23054824.

The previous prime is 23498201. The next prime is 23498257. The reversal of 23498239 is 93289432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23498239 - 2¹⁵ = 23465471 is a prime.

It is a super-2 number, since 2×23498239² = 1104334472202242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23492239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221629 + ... + 221734.

It is an arithmetic number, because the mean of its divisors is an integer number (5985414).

Almost surely, 2^23498239 is an apocalyptic number.

23498239 is a deficient number, since it is larger than the sum of its proper divisors (443417).

23498239 is an equidigital number, since it uses as much as digits as its factorization.

23498239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443416.

The product of its digits is 93312, while the sum is 40.

The square root of 23498239 is about 4847.4982207320. The cubic root of 23498239 is about 286.4255608968.

The spelling of 23498239 in words is "twenty-three million, four hundred ninety-eight thousand, two hundred thirty-nine".