23711425 has 6 divisors (see below), whose sum is σ = 29402198. Its totient is φ = 18969120.

The previous prime is 23711419. The next prime is 23711437. The reversal of 23711425 is 52411732.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2999824 + 20711601 = 1732^2 + 4551^2 .

It is not a de Polignac number, because 23711425 - 2³ = 23711417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 948457 = 23711425 / (2 + 3 + 7 + 1 + 1 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23711425.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 474204 + ... + 474253.

Almost surely, 2^23711425 is an apocalyptic number.

23711425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23711425 is a deficient number, since it is larger than the sum of its proper divisors (5690773).

23711425 is an equidigital number, since it uses as much as digits as its factorization.

23711425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948467 (or 948462 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 23711425 is about 4869.4378525657. The cubic root of 23711425 is about 287.2891459634.

The spelling of 23711425 in words is "twenty-three million, seven hundred eleven thousand, four hundred twenty-five".