1232411309 has 2 divisors, whose sum is σ = 1232411310. Its totient is φ = 1232411308.

The previous prime is 1232411273. The next prime is 1232411339. The reversal of 1232411309 is 9031142321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211736100 + 20675209 = 34810^2 + 4547^2 .

It is an emirp because it is prime and its reverse (9031142321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232411309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232411339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616205654 + 616205655.

It is an arithmetic number, because the mean of its divisors is an integer number (616205655).

Almost surely, 2^1232411309 is an apocalyptic number.

It is an amenable number.

1232411309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232411309 is an equidigital number, since it uses as much as digits as its factorization.

1232411309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1232411309 is about 35105.7161869688. The cubic root of 1232411309 is about 1072.1409687477.

The spelling of 1232411309 in words is "one billion, two hundred thirty-two million, four hundred eleven thousand, three hundred nine".