23647425 has 36 divisors (see below), whose sum is σ = 41570256. Its totient is φ = 11859200.

The previous prime is 23647423. The next prime is 23647453. The reversal of 23647425 is 52474632.

It is not a de Polignac number, because 23647425 - 2¹ = 23647423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23647423) 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 35 ways as a sum of consecutive naturals, for example, 21130 + ... + 22220.

Almost surely, 2^23647425 is an apocalyptic number.

23647425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23647425 is a deficient number, since it is larger than the sum of its proper divisors (17922831).

23647425 is a wasteful number, since it uses less digits than its factorization.

23647425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1116 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 23647425 is about 4862.8618117319. The cubic root of 23647425 is about 287.0304370266.

The spelling of 23647425 in words is "twenty-three million, six hundred forty-seven thousand, four hundred twenty-five".