510040718123 has 2 divisors, whose sum is σ = 510040718124. Its totient is φ = 510040718122.

The previous prime is 510040718063. The next prime is 510040718147. The reversal of 510040718123 is 321817040015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 510040718123 - 2¹⁴ = 510040701739 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 510040718123.

It is not a weakly prime, because it can be changed into another prime (510840718123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255020359061 + 255020359062.

It is an arithmetic number, because the mean of its divisors is an integer number (255020359062).

Almost surely, 2^510040718123 is an apocalyptic number.

510040718123 is a deficient number, since it is larger than the sum of its proper divisors (1).

510040718123 is an equidigital number, since it uses as much as digits as its factorization.

510040718123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 510040718123 its reverse (321817040015), we get a palindrome (831857758138).

The spelling of 510040718123 in words is "five hundred ten billion, forty million, seven hundred eighteen thousand, one hundred twenty-three".