23507982 has 60 divisors (see below), whose sum is σ = 54789768. Its totient is φ = 7533000.

The previous prime is 23507969. The next prime is 23507989. The reversal of 23507982 is 28970532.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23507989) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 155607 + ... + 155757.

Almost surely, 2^23507982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23507982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27394884).

23507982 is an abundant number, since it is smaller than the sum of its proper divisors (31281786).

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

23507982 is a wasteful number, since it uses less digits than its factorization.

23507982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 23507982 is about 4848.5030679582. The cubic root of 23507982 is about 286.4651419996.

The spelling of 23507982 in words is "twenty-three million, five hundred seven thousand, nine hundred eighty-two".