23713232 has 20 divisors (see below), whose sum is σ = 48647556. Its totient is φ = 11159040.

The previous prime is 23713231. The next prime is 23713237. The reversal of 23713232 is 23231732.

It can be written as a sum of positive squares in 2 ways, for example, as 19855936 + 3857296 = 4456^2 + 1964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23713198 and 23713207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23713231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43319 + ... + 43862.

Almost surely, 2^23713232 is an apocalyptic number.

It is an amenable number.

23713232 is an abundant number, since it is smaller than the sum of its proper divisors (24934324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23713232 is a wasteful number, since it uses less digits than its factorization.

23713232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87206 (or 87200 counting only the distinct ones).

The product of its digits is 1512, while the sum is 23.

The square root of 23713232 is about 4869.6233940624. The cubic root of 23713232 is about 287.2964436874.

Adding to 23713232 its reverse (23231732), we get a palindrome (46944964).

The spelling of 23713232 in words is "twenty-three million, seven hundred thirteen thousand, two hundred thirty-two".