23725120 has 56 divisors (see below), whose sum is σ = 56985408. Its totient is φ = 9408000.

The previous prime is 23725099. The next prime is 23725127. The reversal of 23725120 is 2152732.

It is a junction number, because it is equal to n+sod(n) for n = 23725091 and 23725100.

It is not an unprimeable number, because it can be changed into a prime (23725127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48075 + ... + 48565.

Almost surely, 2^23725120 is an apocalyptic number.

23725120 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 23725120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28492704).

23725120 is an abundant number, since it is smaller than the sum of its proper divisors (33260288).

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

23725120 is a wasteful number, since it uses less digits than its factorization.

23725120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 23725120 is about 4870.8438693927. The cubic root of 23725120 is about 287.3444451512.

Adding to 23725120 its reverse (2152732), we get a palindrome (25877852).

The spelling of 23725120 in words is "twenty-three million, seven hundred twenty-five thousand, one hundred twenty".