23357889 has 21 divisors (see below), whose sum is σ = 35217553. Its totient is φ = 15484932.

The previous prime is 23357861. The next prime is 23357899. The reversal of 23357889 is 98875332.

The square root of 23357889 is 4833.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 23357889 - 2¹⁷ = 23226817 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (23357839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 130402 + ... + 130580.

Almost surely, 2^23357889 is an apocalyptic number.

23357889 is the 4833-rd square number.

23357889 is the 2417-th centered octagonal number.

It is an amenable number.

23357889 is a deficient number, since it is larger than the sum of its proper divisors (11859664).

23357889 is an frugal number, since it uses more digits than its factorization.

23357889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 182 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The cubic root of 23357889 is about 285.8541687296.

The spelling of 23357889 in words is "twenty-three million, three hundred fifty-seven thousand, eight hundred eighty-nine".