511034303323 has 4 divisors (see below), whose sum is σ = 511831549368. Its totient is φ = 510237057280.

The previous prime is 511034303267. The next prime is 511034303327. The reversal of 511034303323 is 323303430115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 511034303323 - 2¹⁷ = 511034172251 is a prime.

It is a super-2 number, since 2×511034303323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 511034303291 and 511034303300.

It is not an unprimeable number, because it can be changed into a prime (511034303327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398622061 + ... + 398623342.

It is an arithmetic number, because the mean of its divisors is an integer number (127957887342).

Almost surely, 2^511034303323 is an apocalyptic number.

511034303323 is a deficient number, since it is larger than the sum of its proper divisors (797246045).

511034303323 is an equidigital number, since it uses as much as digits as its factorization.

511034303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797246044.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 511034303323 its reverse (323303430115), we get a palindrome (834337733438).

The spelling of 511034303323 in words is "five hundred eleven billion, thirty-four million, three hundred three thousand, three hundred twenty-three".