23025240 has 96 divisors (see below), whose sum is σ = 85531680. Its totient is φ = 5262336.

The previous prime is 23025239. The next prime is 23025251. The reversal of 23025240 is 4252032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2049 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (890955).

Almost surely, 2^23025240 is an apocalyptic number.

23025240 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 23025240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42765840).

23025240 is an abundant number, since it is smaller than the sum of its proper divisors (62506440).

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

23025240 is a wasteful number, since it uses less digits than its factorization.

23025240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9161 (or 9154 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23025240 is about 4798.4622536809. The cubic root of 23025240 is about 284.4906877851.

Adding to 23025240 its reverse (4252032), we get a palindrome (27277272).

The spelling of 23025240 in words is "twenty-three million, twenty-five thousand, two hundred forty".