23302564 has 6 divisors (see below), whose sum is σ = 40779494. Its totient is φ = 11651280.

The previous prime is 23302561. The next prime is 23302571. The reversal of 23302564 is 46520332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23136100 + 166464 = 4810^2 + 408^2 .

It is not an unprimeable number, because it can be changed into a prime (23302561) by changing a digit.

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, 2912817 + ... + 2912824.

Almost surely, 2^23302564 is an apocalyptic number.

It is an amenable number.

23302564 is a deficient number, since it is larger than the sum of its proper divisors (17476930).

23302564 is a wasteful number, since it uses less digits than its factorization.

23302564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825645 (or 5825643 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 23302564 is about 4827.2729361411. The cubic root of 23302564 is about 285.6283009353.

Adding to 23302564 its reverse (46520332), we get a palindrome (69822896).

The spelling of 23302564 in words is "twenty-three million, three hundred two thousand, five hundred sixty-four".