654116423 has 2 divisors, whose sum is σ = 654116424. Its totient is φ = 654116422.

The previous prime is 654116357. The next prime is 654116453. The reversal of 654116423 is 324611456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654116423 - 2²⁰ = 653067847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654116423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654116453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327058211 + 327058212.

It is an arithmetic number, because the mean of its divisors is an integer number (327058212).

Almost surely, 2^654116423 is an apocalyptic number.

654116423 is a deficient number, since it is larger than the sum of its proper divisors (1).

654116423 is an equidigital number, since it uses as much as digits as its factorization.

654116423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 654116423 is about 25575.6998535719. The cubic root of 654116423 is about 868.0638774336.

Adding to 654116423 its reverse (324611456), we get a palindrome (978727879).

The spelling of 654116423 in words is "six hundred fifty-four million, one hundred sixteen thousand, four hundred twenty-three".