1230883309 has 2 divisors, whose sum is σ = 1230883310. Its totient is φ = 1230883308.

The previous prime is 1230883301. The next prime is 1230883321. The reversal of 1230883309 is 9033880321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1143927684 + 86955625 = 33822^2 + 9325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230883309 - 2³ = 1230883301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230883301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615441654 + 615441655.

It is an arithmetic number, because the mean of its divisors is an integer number (615441655).

Almost surely, 2^1230883309 is an apocalyptic number.

It is an amenable number.

1230883309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230883309 is an equidigital number, since it uses as much as digits as its factorization.

1230883309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1230883309 is about 35083.9465995489. The cubic root of 1230883309 is about 1071.6976890011.

The spelling of 1230883309 in words is "one billion, two hundred thirty million, eight hundred eighty-three thousand, three hundred nine".