23890752 has 168 divisors, whose sum is σ = 75285600. Its totient is φ = 7216128.

The previous prime is 23890717. The next prime is 23890753. The reversal of 23890752 is 25709832.

It is a happy number.

It is a super-2 number, since 2×23890752² = 1141536062251008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404899 + ... + 404957.

Almost surely, 2^23890752 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 23890752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37642800).

23890752 is an abundant number, since it is smaller than the sum of its proper divisors (51394848).

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

23890752 is a wasteful number, since it uses less digits than its factorization.

23890752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 120 counting only the distinct ones).

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

The square root of 23890752 is about 4887.8166905071. The cubic root of 23890752 is about 288.0115736090.

It can be divided in two parts, 23890 and 752, that added together give a palindrome (24642).

The spelling of 23890752 in words is "twenty-three million, eight hundred ninety thousand, seven hundred fifty-two".