511422065323 has 6 divisors (see below), whose sum is σ = 553788390444. Its totient is φ = 472081906296.

The previous prime is 511422065309. The next prime is 511422065327. The reversal of 511422065323 is 323560224115.

It is not a de Polignac number, because 511422065323 - 2¹⁷ = 511421934251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511422065327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1513082865 + ... + 1513083202.

It is an arithmetic number, because the mean of its divisors is an integer number (92298065074).

Almost surely, 2^511422065323 is an apocalyptic number.

511422065323 is a deficient number, since it is larger than the sum of its proper divisors (42366325121).

511422065323 is a wasteful number, since it uses less digits than its factorization.

511422065323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026166093 (or 3026166080 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 511422065323 its reverse (323560224115), we get a palindrome (834982289438).

The spelling of 511422065323 in words is "five hundred eleven billion, four hundred twenty-two million, sixty-five thousand, three hundred twenty-three".