23725155 has 16 divisors (see below), whose sum is σ = 38054304. Its totient is φ = 12622080.

The previous prime is 23725127. The next prime is 23725171. The reversal of 23725155 is 55152732.

It is not a de Polignac number, because 23725155 - 2⁷ = 23725027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5125 + ... + 8585.

It is an arithmetic number, because the mean of its divisors is an integer number (2378394).

Almost surely, 2^23725155 is an apocalyptic number.

23725155 is a deficient number, since it is larger than the sum of its proper divisors (14329149).

23725155 is a wasteful number, since it uses less digits than its factorization.

23725155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its digits is 10500, while the sum is 30.

The square root of 23725155 is about 4870.8474621979. The cubic root of 23725155 is about 287.3445864508.

Adding to 23725155 its reverse (55152732), we get a palindrome (78877887).

The spelling of 23725155 in words is "twenty-three million, seven hundred twenty-five thousand, one hundred fifty-five".