23036725 has 12 divisors (see below), whose sum is σ = 28632964. Its totient is φ = 18385920.

The previous prime is 23036723. The next prime is 23036729. The reversal of 23036725 is 52763032.

It can be written as a sum of positive squares in 6 ways, for example, as 54289 + 22982436 = 233^2 + 4794^2 .

It is not a de Polignac number, because 23036725 - 2¹ = 23036723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23036693 and 23036702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036723) 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, 13627 + ... + 15223.

Almost surely, 2^23036725 is an apocalyptic number.

23036725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23036725 is a deficient number, since it is larger than the sum of its proper divisors (5596239).

23036725 is a wasteful number, since it uses less digits than its factorization.

23036725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 23036725 is about 4799.6588420428. The cubic root of 23036725 is about 284.5379812833.

Adding to 23036725 its reverse (52763032), we get a palindrome (75799757).

The spelling of 23036725 in words is "twenty-three million, thirty-six thousand, seven hundred twenty-five".