1230332237 has 2 divisors, whose sum is σ = 1230332238. Its totient is φ = 1230332236.

The previous prime is 1230332209. The next prime is 1230332239. The reversal of 1230332237 is 7322330321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781146601 + 449185636 = 27949^2 + 21194^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230332237 - 2²⁰ = 1229283661 is a prime.

Together with 1230332239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230332239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615166118 + 615166119.

It is an arithmetic number, because the mean of its divisors is an integer number (615166119).

Almost surely, 2^1230332237 is an apocalyptic number.

It is an amenable number.

1230332237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230332237 is an equidigital number, since it uses as much as digits as its factorization.

1230332237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 1230332237 is about 35076.0920998905. The cubic root of 1230332237 is about 1071.5377305003.

Adding to 1230332237 its reverse (7322330321), we get a palindrome (8552662558).

The spelling of 1230332237 in words is "one billion, two hundred thirty million, three hundred thirty-two thousand, two hundred thirty-seven".