23813125 has 20 divisors (see below), whose sum is σ = 34014112. Its totient is φ = 16326000.

The previous prime is 23813113. The next prime is 23813129. The reversal of 23813125 is 52131832.

It is not a de Polignac number, because 23813125 - 2⁵ = 23813093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23813125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23813129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1654 + ... + 7096.

Almost surely, 2^23813125 is an apocalyptic number.

23813125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23813125 is a deficient number, since it is larger than the sum of its proper divisors (10200987).

23813125 is an frugal number, since it uses more digits than its factorization.

23813125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470 (or 5455 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 23813125 is about 4879.8693630055. The cubic root of 23813125 is about 287.6992947094.

Adding to 23813125 its reverse (52131832), we get a palindrome (75944957).

It can be divided in two parts, 238 and 13125, that multiplied together give a triangular number (3123750 = T₂₄₉₉).

The spelling of 23813125 in words is "twenty-three million, eight hundred thirteen thousand, one hundred twenty-five".