1232213239 has 2 divisors, whose sum is σ = 1232213240. Its totient is φ = 1232213238.

The previous prime is 1232213233. The next prime is 1232213243. The reversal of 1232213239 is 9323122321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232213239 - 2⁵ = 1232213207 is a prime.

It is a super-2 number, since 2×1232213239² = 3036698932733742242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232213233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616106619 + 616106620.

It is an arithmetic number, because the mean of its divisors is an integer number (616106620).

Almost surely, 2^1232213239 is an apocalyptic number.

1232213239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232213239 is an equidigital number, since it uses as much as digits as its factorization.

1232213239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 1232213239 is about 35102.8950230604. The cubic root of 1232213239 is about 1072.0835284171.

The spelling of 1232213239 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred thirty-nine".