6417397123 has 4 divisors (see below), whose sum is σ = 6418812400. Its totient is φ = 6415981848.

The previous prime is 6417397109. The next prime is 6417397157. The reversal of 6417397123 is 3217937146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3217937146 = 2 ⋅1608968573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6417397123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6417397123.

It is not an unprimeable number, because it can be changed into a prime (6417397163) 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 3 ways as a sum of consecutive naturals, for example, 700815 + ... + 709912.

It is an arithmetic number, because the mean of its divisors is an integer number (1604703100).

Almost surely, 2^6417397123 is an apocalyptic number.

6417397123 is a deficient number, since it is larger than the sum of its proper divisors (1415277).

6417397123 is a wasteful number, since it uses less digits than its factorization.

6417397123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415276.

The product of its digits is 190512, while the sum is 43.

The square root of 6417397123 is about 80108.6582274351. The cubic root of 6417397123 is about 1858.3163091596.

The spelling of 6417397123 in words is "six billion, four hundred seventeen million, three hundred ninety-seven thousand, one hundred twenty-three".