30233230309 has 2 divisors, whose sum is σ = 30233230310. Its totient is φ = 30233230308.

The previous prime is 30233230259. The next prime is 30233230319. The reversal of 30233230309 is 90303233203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18165109284 + 12068121025 = 134778^2 + 109855^2 .

It is a cyclic number.

It is not a de Polignac number, because 30233230309 - 2⁹ = 30233229797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30233230319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116615154 + 15116615155.

It is an arithmetic number, because the mean of its divisors is an integer number (15116615155).

Almost surely, 2^30233230309 is an apocalyptic number.

It is an amenable number.

30233230309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30233230309 is an equidigital number, since it uses as much as digits as its factorization.

30233230309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 28.

The spelling of 30233230309 in words is "thirty billion, two hundred thirty-three million, two hundred thirty thousand, three hundred nine".