23625240 has 128 divisors (see below), whose sum is σ = 77319360. Its totient is φ = 5750784.

The previous prime is 23625233. The next prime is 23625247. The reversal of 23625240 is 4252632.

It is an interprime number because it is at equal distance from previous prime (23625233) and next prime (23625247).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23625240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23625247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75324 + ... + 75636.

Almost surely, 2^23625240 is an apocalyptic number.

23625240 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 23625240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38659680).

23625240 is an abundant number, since it is smaller than the sum of its proper divisors (53694120).

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

23625240 is a wasteful number, since it uses less digits than its factorization.

23625240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 23625240 is about 4860.5802122792. The cubic root of 23625240 is about 286.9406490602.

Adding to 23625240 its reverse (4252632), we get a palindrome (27877872).

The spelling of 23625240 in words is "twenty-three million, six hundred twenty-five thousand, two hundred forty".