1232243279 has 2 divisors, whose sum is σ = 1232243280. Its totient is φ = 1232243278.

The previous prime is 1232243219. The next prime is 1232243291. The reversal of 1232243279 is 9723422321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232243279 - 2²⁰ = 1231194703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232243219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616121639 + 616121640.

It is an arithmetic number, because the mean of its divisors is an integer number (616121640).

Almost surely, 2^1232243279 is an apocalyptic number.

1232243279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232243279 is an equidigital number, since it uses as much as digits as its factorization.

1232243279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 1232243279 is about 35103.3229053889. The cubic root of 1232243279 is about 1072.0922404177.

The spelling of 1232243279 in words is "one billion, two hundred thirty-two million, two hundred forty-three thousand, two hundred seventy-nine".