23251689 has 12 divisors (see below), whose sum is σ = 35046336. Its totient is φ = 14827032.

The previous prime is 23251681. The next prime is 23251693. The reversal of 23251689 is 98615232.

It is not a de Polignac number, because 23251689 - 2³ = 23251681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23251681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55957 + ... + 56370.

It is an arithmetic number, because the mean of its divisors is an integer number (2920528).

Almost surely, 2^23251689 is an apocalyptic number.

It is an amenable number.

23251689 is a deficient number, since it is larger than the sum of its proper divisors (11794647).

23251689 is a wasteful number, since it uses less digits than its factorization.

23251689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112356 (or 112353 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 23251689 is about 4822.0005184570. Note that the first 3 decimals coincide. The cubic root of 23251689 is about 285.4202848021.

The spelling of 23251689 in words is "twenty-three million, two hundred fifty-one thousand, six hundred eighty-nine".