23115325 has 24 divisors (see below), whose sum is σ = 30647592. Its totient is φ = 17233920.

The previous prime is 23115319. The next prime is 23115331. The reversal of 23115325 is 52351132.

It is an interprime number because it is at equal distance from previous prime (23115319) and next prime (23115331).

It can be written as a sum of positive squares in 12 ways, for example, as 1483524 + 21631801 = 1218^2 + 4651^2 .

It is not a de Polignac number, because 23115325 - 2¹⁵ = 23082557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23115296 and 23115305.

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, 58027 + ... + 58423.

It is an arithmetic number, because the mean of its divisors is an integer number (1276983).

Almost surely, 2^23115325 is an apocalyptic number.

23115325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23115325 is a deficient number, since it is larger than the sum of its proper divisors (7532267).

23115325 is a wasteful number, since it uses less digits than its factorization.

23115325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 23115325 is about 4807.8399515791. The cubic root of 23115325 is about 284.8612230890.

Adding to 23115325 its reverse (52351132), we get a palindrome (75466457).

The spelling of 23115325 in words is "twenty-three million, one hundred fifteen thousand, three hundred twenty-five".