2312230309 has 2 divisors, whose sum is σ = 2312230310. Its totient is φ = 2312230308.

The previous prime is 2312230279. The next prime is 2312230313. The reversal of 2312230309 is 9030322132.

2312230309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2086479684 + 225750625 = 45678^2 + 15025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312230309 - 2⁹ = 2312229797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312230339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156115154 + 1156115155.

It is an arithmetic number, because the mean of its divisors is an integer number (1156115155).

Almost surely, 2^2312230309 is an apocalyptic number.

It is an amenable number.

2312230309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312230309 is an equidigital number, since it uses as much as digits as its factorization.

2312230309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 2312230309 is about 48085.6559589240. The cubic root of 2312230309 is about 1322.3417089646.

The spelling of 2312230309 in words is "two billion, three hundred twelve million, two hundred thirty thousand, three hundred nine".