23900730 has 96 divisors (see below), whose sum is σ = 67962240. Its totient is φ = 5362560.

The previous prime is 23900713. The next prime is 23900731. The reversal of 23900730 is 3700932.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23900730.

It is not an unprimeable number, because it can be changed into a prime (23900731) 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 47 ways as a sum of consecutive naturals, for example, 104256 + ... + 104484.

It is an arithmetic number, because the mean of its divisors is an integer number (707940).

Almost surely, 2^23900730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23900730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33981120).

23900730 is an abundant number, since it is smaller than the sum of its proper divisors (44061510).

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

23900730 is a wasteful number, since it uses less digits than its factorization.

23900730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 23900730 is about 4888.8372850812. The cubic root of 23900730 is about 288.0516641497.

The spelling of 23900730 in words is "twenty-three million, nine hundred thousand, seven hundred thirty".