23305732 has 6 divisors (see below), whose sum is σ = 40785038. Its totient is φ = 11652864.

The previous prime is 23305717. The next prime is 23305771. The reversal of 23305732 is 23750332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14930496 + 8375236 = 3864^2 + 2894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23305697 and 23305706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2913213 + ... + 2913220.

Almost surely, 2^23305732 is an apocalyptic number.

It is an amenable number.

23305732 is a deficient number, since it is larger than the sum of its proper divisors (17479306).

23305732 is a wasteful number, since it uses less digits than its factorization.

23305732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826437 (or 5826435 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 23305732 is about 4827.6010605683. The cubic root of 23305732 is about 285.6412441384.

The spelling of 23305732 in words is "twenty-three million, three hundred five thousand, seven hundred thirty-two".