511400313323 has 2 divisors, whose sum is σ = 511400313324. Its totient is φ = 511400313322.

The previous prime is 511400313311. The next prime is 511400313337. The reversal of 511400313323 is 323313004115.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511400313323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 511400313292 and 511400313301.

It is not a weakly prime, because it can be changed into another prime (511400313383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255700156661 + 255700156662.

It is an arithmetic number, because the mean of its divisors is an integer number (255700156662).

Almost surely, 2^511400313323 is an apocalyptic number.

511400313323 is a deficient number, since it is larger than the sum of its proper divisors (1).

511400313323 is an equidigital number, since it uses as much as digits as its factorization.

511400313323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 511400313323 its reverse (323313004115), we get a palindrome (834713317438).

The spelling of 511400313323 in words is "five hundred eleven billion, four hundred million, three hundred thirteen thousand, three hundred twenty-three".