23456532 has 48 divisors (see below), whose sum is σ = 63225792. Its totient is φ = 6689280.

The previous prime is 23456509. The next prime is 23456539. The reversal of 23456532 is 23565432.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23456532.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2983 + ... + 7470.

It is an arithmetic number, because the mean of its divisors is an integer number (1317204).

Almost surely, 2^23456532 is an apocalyptic number.

23456532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23456532 is an abundant number, since it is smaller than the sum of its proper divisors (39769260).

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

23456532 is a wasteful number, since it uses less digits than its factorization.

23456532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488 (or 10486 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 23456532 is about 4843.1944003932. The cubic root of 23456532 is about 286.2560017302.

Subtracting 23456532 from its reverse (23565432), we obtain a square (108900 = 330²).

The spelling of 23456532 in words is "twenty-three million, four hundred fifty-six thousand, five hundred thirty-two".