20200311323 has 2 divisors, whose sum is σ = 20200311324. Its totient is φ = 20200311322.

The previous prime is 20200311239. The next prime is 20200311337. The reversal of 20200311323 is 32311300202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20200311323 - 2⁸ = 20200311067 is a prime.

It is a super-2 number, since 2×20200311323² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20200311343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100155661 + 10100155662.

It is an arithmetic number, because the mean of its divisors is an integer number (10100155662).

Almost surely, 2^20200311323 is an apocalyptic number.

20200311323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200311323 is an equidigital number, since it uses as much as digits as its factorization.

20200311323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20200311323 its reverse (32311300202), we get a palindrome (52511611525).

The spelling of 20200311323 in words is "twenty billion, two hundred million, three hundred eleven thousand, three hundred twenty-three".