511023323 has 2 divisors, whose sum is σ = 511023324. Its totient is φ = 511023322.

The previous prime is 511023299. The next prime is 511023377. The reversal of 511023323 is 323320115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511023323 - 2¹⁰ = 511022299 is a prime.

It is a super-2 number, since 2×511023323² = 522289673299924658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511023295 and 511023304.

It is not a weakly prime, because it can be changed into another prime (511025323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255511661 + 255511662.

It is an arithmetic number, because the mean of its divisors is an integer number (255511662).

Almost surely, 2^511023323 is an apocalyptic number.

511023323 is a deficient number, since it is larger than the sum of its proper divisors (1).

511023323 is an equidigital number, since it uses as much as digits as its factorization.

511023323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 511023323 is about 22605.8249794163. The cubic root of 511023323 is about 799.4909902676.

Adding to 511023323 its reverse (323320115), we get a palindrome (834343438).

The spelling of 511023323 in words is "five hundred eleven million, twenty-three thousand, three hundred twenty-three".