200311515323 has 2 divisors, whose sum is σ = 200311515324. Its totient is φ = 200311515322.

The previous prime is 200311515317. The next prime is 200311515331. The reversal of 200311515323 is 323515113002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200311515323 - 2¹⁴ = 200311498939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200311515292 and 200311515301.

It is not a weakly prime, because it can be changed into another prime (200311515373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100155757661 + 100155757662.

It is an arithmetic number, because the mean of its divisors is an integer number (100155757662).

Almost surely, 2^200311515323 is an apocalyptic number.

200311515323 is a deficient number, since it is larger than the sum of its proper divisors (1).

200311515323 is an equidigital number, since it uses as much as digits as its factorization.

200311515323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 200311515323 its reverse (323515113002), we get a palindrome (523826628325).

The spelling of 200311515323 in words is "two hundred billion, three hundred eleven million, five hundred fifteen thousand, three hundred twenty-three".