23456530 has 16 divisors (see below), whose sum is σ = 42401304. Its totient is φ = 9342720.

The previous prime is 23456509. The next prime is 23456539. The reversal of 23456530 is 3565432.

It can be written as a sum of positive squares in 4 ways, for example, as 23107249 + 349281 = 4807^2 + 591^2 .

It is not an unprimeable number, because it can be changed into a prime (23456539) 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 7 ways as a sum of consecutive naturals, for example, 2457 + ... + 7276.

Almost surely, 2^23456530 is an apocalyptic number.

23456530 is a deficient number, since it is larger than the sum of its proper divisors (18944774).

23456530 is a wasteful number, since it uses less digits than its factorization.

23456530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 23456530 is about 4843.1941939179. The cubic root of 23456530 is about 286.2559935944.

The spelling of 23456530 in words is "twenty-three million, four hundred fifty-six thousand, five hundred thirty".