318029789123 has 2 divisors, whose sum is σ = 318029789124. Its totient is φ = 318029789122.

The previous prime is 318029789089. The next prime is 318029789171. The reversal of 318029789123 is 321987920813.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318029789123 - 2²⁴ = 318013011907 is a prime.

It is a super-2 number, since 2×318029789123² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (318029719123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159014894561 + 159014894562.

It is an arithmetic number, because the mean of its divisors is an integer number (159014894562).

Almost surely, 2^318029789123 is an apocalyptic number.

318029789123 is a deficient number, since it is larger than the sum of its proper divisors (1).

318029789123 is an equidigital number, since it uses as much as digits as its factorization.

318029789123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 318029789123 in words is "three hundred eighteen billion, twenty-nine million, seven hundred eighty-nine thousand, one hundred twenty-three".