23144925 has 24 divisors (see below), whose sum is σ = 38901280. Its totient is φ = 12139200.

The previous prime is 23144921. The next prime is 23144963. The reversal of 23144925 is 52944132.

It is not a de Polignac number, because 23144925 - 2² = 23144921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23144892 and 23144901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144921) 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 23 ways as a sum of consecutive naturals, for example, 2046 + ... + 7104.

Almost surely, 2^23144925 is an apocalyptic number.

23144925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23144925 is a deficient number, since it is larger than the sum of its proper divisors (15756355).

23144925 is a wasteful number, since it uses less digits than its factorization.

23144925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5128 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 23144925 is about 4810.9172722050. The cubic root of 23144925 is about 284.9827628849.

The spelling of 23144925 in words is "twenty-three million, one hundred forty-four thousand, nine hundred twenty-five".