1253323312 has 20 divisors (see below), whose sum is σ = 2469473640. Its totient is φ = 616039808.

The previous prime is 1253323303. The next prime is 1253323319. The reversal of 1253323312 is 2133233521.

It is not an unprimeable number, because it can be changed into a prime (1253323319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662893 + ... + 664780.

It is an arithmetic number, because the mean of its divisors is an integer number (123473682).

Almost surely, 2^1253323312 is an apocalyptic number.

It is an amenable number.

1253323312 is a deficient number, since it is larger than the sum of its proper divisors (1216150328).

1253323312 is a wasteful number, since it uses less digits than its factorization.

1253323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327740 (or 1327734 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 1253323312 is about 35402.3065915203. The cubic root of 1253323312 is about 1078.1711480598.

Adding to 1253323312 its reverse (2133233521), we get a palindrome (3386556833).

The spelling of 1253323312 in words is "one billion, two hundred fifty-three million, three hundred twenty-three thousand, three hundred twelve".