23153525 has 24 divisors (see below), whose sum is σ = 30456384. Its totient is φ = 17424000.

The previous prime is 23153509. The next prime is 23153531. The reversal of 23153525 is 52535132.

It is not a de Polignac number, because 23153525 - 2⁴ = 23153509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23153494 and 23153503.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 38225 + ... + 38825.

It is an arithmetic number, because the mean of its divisors is an integer number (1269016).

Almost surely, 2^23153525 is an apocalyptic number.

23153525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23153525 is a deficient number, since it is larger than the sum of its proper divisors (7302859).

23153525 is a wasteful number, since it uses less digits than its factorization.

23153525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 696 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 23153525 is about 4811.8109896379. The cubic root of 23153525 is about 285.0180556941.

Adding to 23153525 its reverse (52535132), we get a palindrome (75688657).

The spelling of 23153525 in words is "twenty-three million, one hundred fifty-three thousand, five hundred twenty-five".