20232130309 has 2 divisors, whose sum is σ = 20232130310. Its totient is φ = 20232130308.

The previous prime is 20232130301. The next prime is 20232130339. The reversal of 20232130309 is 90303123202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16916904225 + 3315226084 = 130065^2 + 57578^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232130309 - 2³ = 20232130301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232130301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116065154 + 10116065155.

It is an arithmetic number, because the mean of its divisors is an integer number (10116065155).

Almost surely, 2^20232130309 is an apocalyptic number.

It is an amenable number.

20232130309 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232130309 is an equidigital number, since it uses as much as digits as its factorization.

20232130309 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 spelling of 20232130309 in words is "twenty billion, two hundred thirty-two million, one hundred thirty thousand, three hundred nine".