23681250 has 72 divisors (see below), whose sum is σ = 64284948. Its totient is φ = 6300000.

The previous prime is 23681249. The next prime is 23681257. The reversal of 23681250 is 5218632.

It can be written as a sum of positive squares in 6 ways, for example, as 10131489 + 13549761 = 3183^2 + 3681^2 .

It is not an unprimeable number, because it can be changed into a prime (23681257) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56040 + ... + 56460.

Almost surely, 2^23681250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23681250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32142474).

23681250 is an abundant number, since it is smaller than the sum of its proper divisors (40603698).

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

23681250 is an equidigital number, since it uses as much as digits as its factorization.

23681250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 23681250 is about 4866.3384592525. The cubic root of 23681250 is about 287.1672268192.

Adding to 23681250 its reverse (5218632), we get a palindrome (28899882).

The spelling of 23681250 in words is "twenty-three million, six hundred eighty-one thousand, two hundred fifty".