1232872313 has 2 divisors, whose sum is σ = 1232872314. Its totient is φ = 1232872312.

The previous prime is 1232872271. The next prime is 1232872321. The reversal of 1232872313 is 3132782321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921243904 + 311628409 = 30352^2 + 17653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232872313 - 2²⁰ = 1231823737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232872313.

It is not a weakly prime, because it can be changed into another prime (1232872363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616436156 + 616436157.

It is an arithmetic number, because the mean of its divisors is an integer number (616436157).

Almost surely, 2^1232872313 is an apocalyptic number.

It is an amenable number.

1232872313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232872313 is an equidigital number, since it uses as much as digits as its factorization.

1232872313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 1232872313 is about 35112.2815123142. The cubic root of 1232872313 is about 1072.2746361512.

The spelling of 1232872313 in words is "one billion, two hundred thirty-two million, eight hundred seventy-two thousand, three hundred thirteen".