23925780 has 96 divisors (see below), whose sum is σ = 75492480. Its totient is φ = 6368544.

The previous prime is 23925779. The next prime is 23925809. The reversal of 23925780 is 8752932.

It is a happy number.

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

It is a nialpdrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43467 + ... + 44013.

It is an arithmetic number, because the mean of its divisors is an integer number (786380).

Almost surely, 2^23925780 is an apocalyptic number.

23925780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23925780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37746240).

23925780 is an abundant number, since it is smaller than the sum of its proper divisors (51566700).

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

23925780 is an equidigital number, since it uses as much as digits as its factorization.

23925780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 557 counting only the distinct ones).

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

The square root of 23925780 is about 4891.3985730055. The cubic root of 23925780 is about 288.1522632355.

The spelling of 23925780 in words is "twenty-three million, nine hundred twenty-five thousand, seven hundred eighty".