23237889 has 16 divisors (see below), whose sum is σ = 32866944. Its totient is φ = 14572800.

The previous prime is 23237849. The next prime is 23237909. The reversal of 23237889 is 98873232.

It is not a de Polignac number, because 23237889 - 2⁷ = 23237761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23237889.

It is not an unprimeable number, because it can be changed into a prime (23237849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (2054184).

Almost surely, 2^23237889 is an apocalyptic number.

It is an amenable number.

23237889 is a deficient number, since it is larger than the sum of its proper divisors (9629055).

23237889 is a wasteful number, since it uses less digits than its factorization.

23237889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608.

The product of its digits is 145152, while the sum is 42.

The square root of 23237889 is about 4820.5693647120. The cubic root of 23237889 is about 285.3638074795.

The spelling of 23237889 in words is "twenty-three million, two hundred thirty-seven thousand, eight hundred eighty-nine".