23089725 has 48 divisors (see below), whose sum is σ = 43052800. Its totient is φ = 12130560.

The previous prime is 23089721. The next prime is 23089733. The reversal of 23089725 is 52798032.

It is a happy number.

It is not a de Polignac number, because 23089725 - 2² = 23089721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23089725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089721) 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 47 ways as a sum of consecutive naturals, for example, 53109 + ... + 53541.

Almost surely, 2^23089725 is an apocalyptic number.

23089725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23089725 is a deficient number, since it is larger than the sum of its proper divisors (19963075).

23089725 is a wasteful number, since it uses less digits than its factorization.

23089725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 23089725 is about 4805.1768958073. The cubic root of 23089725 is about 284.7560238892.

The spelling of 23089725 in words is "twenty-three million, eighty-nine thousand, seven hundred twenty-five".