23459389 has 4 divisors (see below), whose sum is σ = 23471424. Its totient is φ = 23447356.

The previous prime is 23459363. The next prime is 23459399. The reversal of 23459389 is 98395432.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23459389 - 2¹¹ = 23457341 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 (23459329) 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, 2347 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (5867856).

Almost surely, 2^23459389 is an apocalyptic number.

It is an amenable number.

23459389 is a deficient number, since it is larger than the sum of its proper divisors (12035).

23459389 is an equidigital number, since it uses as much as digits as its factorization.

23459389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034.

The product of its digits is 233280, while the sum is 43.

The square root of 23459389 is about 4843.4893413736. The cubic root of 23459389 is about 286.2676232293.

The spelling of 23459389 in words is "twenty-three million, four hundred fifty-nine thousand, three hundred eighty-nine".