23720632 has 32 divisors (see below), whose sum is σ = 49074480. Its totient is φ = 10679040.

The previous prime is 23720629. The next prime is 23720633. The reversal of 23720632 is 23602732.

It is a junction number, because it is equal to n+sod(n) for n = 23720597 and 23720606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23720633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483 + ... + 7045.

Almost surely, 2^23720632 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 23720632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24537240).

23720632 is an abundant number, since it is smaller than the sum of its proper divisors (25353848).

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

23720632 is a wasteful number, since it uses less digits than its factorization.

23720632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623 (or 5619 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 23720632 is about 4870.3831471456. The cubic root of 23720632 is about 287.3263253525.

The spelling of 23720632 in words is "twenty-three million, seven hundred twenty thousand, six hundred thirty-two".