23136325 has 12 divisors (see below), whose sum is σ = 28853188. Its totient is φ = 18403200.

The previous prime is 23136317. The next prime is 23136329. The reversal of 23136325 is 52363132.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12489156 + 10647169 = 3534^2 + 3263^2 .

It is not a de Polignac number, because 23136325 - 2³ = 23136317 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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 23136325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1969 + ... + 7081.

Almost surely, 2^23136325 is an apocalyptic number.

23136325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23136325 is a deficient number, since it is larger than the sum of its proper divisors (5716863).

23136325 is a wasteful number, since it uses less digits than its factorization.

23136325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304 (or 5299 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 23136325 is about 4810.0233887165. The cubic root of 23136325 is about 284.9474613320.

Adding to 23136325 its reverse (52363132), we get a palindrome (75499457).

The spelling of 23136325 in words is "twenty-three million, one hundred thirty-six thousand, three hundred twenty-five".