613318423 has 6 divisors (see below), whose sum is σ = 647297664. Its totient is φ = 581038164.

The previous prime is 613318397. The next prime is 613318429. The reversal of 613318423 is 324813316.

It is not a de Polignac number, because 613318423 - 2²¹ = 611221271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613318429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 849111 + ... + 849832.

It is an arithmetic number, because the mean of its divisors is an integer number (107882944).

Almost surely, 2^613318423 is an apocalyptic number.

613318423 is a deficient number, since it is larger than the sum of its proper divisors (33979241).

613318423 is a wasteful number, since it uses less digits than its factorization.

613318423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698981 (or 1698962 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 613318423 is about 24765.2664633353. The cubic root of 613318423 is about 849.6277137851.

The spelling of 613318423 in words is "six hundred thirteen million, three hundred eighteen thousand, four hundred twenty-three".