23713245 has 24 divisors (see below), whose sum is σ = 41231736. Its totient is φ = 12607488.

The previous prime is 23713241. The next prime is 23713259. The reversal of 23713245 is 54231732.

It can be written as a sum of positive squares in 4 ways, for example, as 6084 + 23707161 = 78^2 + 4869^2 .

It is not a de Polignac number, because 23713245 - 2² = 23713241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23713241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18877 + ... + 20093.

It is an arithmetic number, because the mean of its divisors is an integer number (1717989).

Almost surely, 2^23713245 is an apocalyptic number.

It is an amenable number.

23713245 is a deficient number, since it is larger than the sum of its proper divisors (17518491).

23713245 is a wasteful number, since it uses less digits than its factorization.

23713245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1658 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 23713245 is about 4869.6247288677. The cubic root of 23713245 is about 287.2964961876.

Adding to 23713245 its reverse (54231732), we get a palindrome (77944977).

The spelling of 23713245 in words is "twenty-three million, seven hundred thirteen thousand, two hundred forty-five".