2000312393 has 2 divisors, whose sum is σ = 2000312394. Its totient is φ = 2000312392.

The previous prime is 2000312359. The next prime is 2000312407. The reversal of 2000312393 is 3932130002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1941988624 + 58323769 = 44068^2 + 7637^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000312393 - 2²⁰ = 1999263817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2000312693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000156196 + 1000156197.

It is an arithmetic number, because the mean of its divisors is an integer number (1000156197).

Almost surely, 2^2000312393 is an apocalyptic number.

It is an amenable number.

2000312393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000312393 is an equidigital number, since it uses as much as digits as its factorization.

2000312393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2000312393 is about 44724.8520735396. The cubic root of 2000312393 is about 1259.9866448992.

Adding to 2000312393 its reverse (3932130002), we get a palindrome (5932442395).

The spelling of 2000312393 in words is "two billion, three hundred twelve thousand, three hundred ninety-three".