511302023 has 2 divisors, whose sum is σ = 511302024. Its totient is φ = 511302022.

The previous prime is 511302017. The next prime is 511302037. The reversal of 511302023 is 320203115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511302023 - 2⁴ = 511302007 is a prime.

It is a super-2 number, since 2×511302023² = 522859517447785058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511301992 and 511302010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511302073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255651011 + 255651012.

It is an arithmetic number, because the mean of its divisors is an integer number (255651012).

Almost surely, 2^511302023 is an apocalyptic number.

511302023 is a deficient number, since it is larger than the sum of its proper divisors (1).

511302023 is an equidigital number, since it uses as much as digits as its factorization.

511302023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 511302023 is about 22611.9884795654. The cubic root of 511302023 is about 799.6363049950.

Adding to 511302023 its reverse (320203115), we get a palindrome (831505138).

The spelling of 511302023 in words is "five hundred eleven million, three hundred two thousand, twenty-three".