511104023 has 2 divisors, whose sum is σ = 511104024. Its totient is φ = 511104022.

The previous prime is 511104019. The next prime is 511104029. The reversal of 511104023 is 320401115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511104023 - 2² = 511104019 is a prime.

It is a super-2 number, since 2×511104023² = 522454644653569058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511103992 and 511104010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511104029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255552011 + 255552012.

It is an arithmetic number, because the mean of its divisors is an integer number (255552012).

Almost surely, 2^511104023 is an apocalyptic number.

511104023 is a deficient number, since it is larger than the sum of its proper divisors (1).

511104023 is an equidigital number, since it uses as much as digits as its factorization.

511104023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 511104023 is about 22607.6098471289. The cubic root of 511104023 is about 799.5330728393.

Adding to 511104023 its reverse (320401115), we get a palindrome (831505138).

The spelling of 511104023 in words is "five hundred eleven million, one hundred four thousand, twenty-three".