23071250 has 20 divisors (see below), whose sum is σ = 43247094. Its totient is φ = 9228000.

The previous prime is 23071247. The next prime is 23071273. The reversal of 23071250 is 5217032.

It can be written as a sum of positive squares in 5 ways, for example, as 1234321 + 21836929 = 1111^2 + 4673^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 7979 + ... + 10478.

Almost surely, 2^23071250 is an apocalyptic number.

23071250 is a deficient number, since it is larger than the sum of its proper divisors (20175844).

23071250 is an equidigital number, since it uses as much as digits as its factorization.

23071250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18479 (or 18464 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 23071250 is about 4803.2541052915. The cubic root of 23071250 is about 284.6800554472.

Adding to 23071250 its reverse (5217032), we get a palindrome (28288282).

The spelling of 23071250 in words is "twenty-three million, seventy-one thousand, two hundred fifty".