510013040123 has 2 divisors, whose sum is σ = 510013040124. Its totient is φ = 510013040122.

The previous prime is 510013040051. The next prime is 510013040189. The reversal of 510013040123 is 321040310015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 510013040123 - 2²⁶ = 509945931259 is a prime.

It is a super-2 number, since 2×510013040123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 510013040095 and 510013040104.

It is not a weakly prime, because it can be changed into another prime (510013040423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255006520061 + 255006520062.

It is an arithmetic number, because the mean of its divisors is an integer number (255006520062).

Almost surely, 2^510013040123 is an apocalyptic number.

510013040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

510013040123 is an equidigital number, since it uses as much as digits as its factorization.

510013040123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 510013040123 its reverse (321040310015), we get a palindrome (831053350138).

The spelling of 510013040123 in words is "five hundred ten billion, thirteen million, forty thousand, one hundred twenty-three".