618318023 has 2 divisors, whose sum is σ = 618318024. Its totient is φ = 618318022.

The previous prime is 618318017. The next prime is 618318031. The reversal of 618318023 is 320813816.

It is a happy number.

618318023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618318023 - 2²⁰ = 617269447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618318073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309159011 + 309159012.

It is an arithmetic number, because the mean of its divisors is an integer number (309159012).

Almost surely, 2^618318023 is an apocalyptic number.

618318023 is a deficient number, since it is larger than the sum of its proper divisors (1).

618318023 is an equidigital number, since it uses as much as digits as its factorization.

618318023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 618318023 is about 24866.0013472211. The cubic root of 618318023 is about 851.9301112892.

The spelling of 618318023 in words is "six hundred eighteen million, three hundred eighteen thousand, twenty-three".