23456512 has 36 divisors (see below), whose sum is σ = 47645640. Its totient is φ = 11522048.

The previous prime is 23456509. The next prime is 23456539. The reversal of 23456512 is 21565432.

It is a super-2 number, since 2×23456512² = 1100415910412288, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 14328 + ... + 15880.

It is an arithmetic number, because the mean of its divisors is an integer number (1323490).

Almost surely, 2^23456512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23456512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23822820).

23456512 is an abundant number, since it is smaller than the sum of its proper divisors (24189128).

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

23456512 is an equidigital number, since it uses as much as digits as its factorization.

23456512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1614 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 23456512 is about 4843.1923356398. The cubic root of 23456512 is about 286.2559203723.

The spelling of 23456512 in words is "twenty-three million, four hundred fifty-six thousand, five hundred twelve".