23623425 has 72 divisors (see below), whose sum is σ = 49443264. Its totient is φ = 10558080.

The previous prime is 23623417. The next prime is 23623447. The reversal of 23623425 is 52432632.

23623425 is a `hidden beast` number, since 236 + 2 + 3 + 425 = 666.

It is not a de Polignac number, because 23623425 - 2³ = 23623417 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 83334 + ... + 83616.

It is an arithmetic number, because the mean of its divisors is an integer number (686712).

Almost surely, 2^23623425 is an apocalyptic number.

23623425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23623425 is an abundant number, since it is smaller than the sum of its proper divisors (25819839).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23623425 is a wasteful number, since it uses less digits than its factorization.

23623425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 351 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 23623425 is about 4860.3935025880. The cubic root of 23623425 is about 286.9333008369.

The spelling of 23623425 in words is "twenty-three million, six hundred twenty-three thousand, four hundred twenty-five".