23163725 has 24 divisors (see below), whose sum is σ = 31164672. Its totient is φ = 16977600.

The previous prime is 23163719. The next prime is 23163731. The reversal of 23163725 is 52736132.

It is an interprime number because it is at equal distance from previous prime (23163719) and next prime (23163731).

It is not a de Polignac number, because 23163725 - 2²² = 18969421 is a prime.

It is a Duffinian number.

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, 85340 + ... + 85610.

It is an arithmetic number, because the mean of its divisors is an integer number (1298528).

Almost surely, 2^23163725 is an apocalyptic number.

23163725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23163725 is a deficient number, since it is larger than the sum of its proper divisors (8000947).

23163725 is a wasteful number, since it uses less digits than its factorization.

23163725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 552 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 23163725 is about 4812.8707649385. The cubic root of 23163725 is about 285.0599032798.

Adding to 23163725 its reverse (52736132), we get a palindrome (75899857).

The spelling of 23163725 in words is "twenty-three million, one hundred sixty-three thousand, seven hundred twenty-five".