23553425 has 12 divisors (see below), whose sum is σ = 33378816. Its totient is φ = 16150800.

The previous prime is 23553419. The next prime is 23553427. The reversal of 23553425 is 52435532.

It is not a de Polignac number, because 23553425 - 2⁸ = 23553169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23553427) 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 11 ways as a sum of consecutive naturals, for example, 67121 + ... + 67470.

It is an arithmetic number, because the mean of its divisors is an integer number (2781568).

Almost surely, 2^23553425 is an apocalyptic number.

23553425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23553425 is a deficient number, since it is larger than the sum of its proper divisors (9825391).

23553425 is a wasteful number, since it uses less digits than its factorization.

23553425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134608 (or 134603 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 23553425 is about 4853.1870971558. The cubic root of 23553425 is about 286.6496106372.

Adding to 23553425 its reverse (52435532), we get a palindrome (75988957).

The spelling of 23553425 in words is "twenty-three million, five hundred fifty-three thousand, four hundred twenty-five".