1423747717682 has 16 divisors (see below), whose sum is σ = 2264217830712. Its totient is φ = 669118494720.

The previous prime is 1423747717633. The next prime is 1423747717687. The reversal of 1423747717682 is 2867177473241.

It is a Cunningham number, because it is equal to 1193209²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1108453114561 + 315294603121 = 1052831^2 + 561511^2 .

It is not an unprimeable number, because it can be changed into a prime (1423747717687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27487223 + ... + 27538970.

Almost surely, 2^{1423747717682} is an apocalyptic number.

1423747717682 is a deficient number, since it is larger than the sum of its proper divisors (840470113030).

1423747717682 is a wasteful number, since it uses less digits than its factorization.

1423747717682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55026973.

The product of its digits is 22127616, while the sum is 59.

The spelling of 1423747717682 in words is "one trillion, four hundred twenty-three billion, seven hundred forty-seven million, seven hundred seventeen thousand, six hundred eighty-two".