1423708686 has 12 divisors (see below), whose sum is σ = 3084702192. Its totient is φ = 474569556.

The previous prime is 1423708679. The next prime is 1423708709. The reversal of 1423708686 is 6868073241.

1423708686 is a `hidden beast` number, since 1 + 423 + 70 + 86 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39547446 + ... + 39547481.

It is an arithmetic number, because the mean of its divisors is an integer number (257058516).

Almost surely, 2^1423708686 is an apocalyptic number.

1423708686 is an abundant number, since it is smaller than the sum of its proper divisors (1660993506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423708686 is a wasteful number, since it uses less digits than its factorization.

1423708686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79094935 (or 79094932 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1423708686 is about 37732.0644280167. The cubic root of 1423708686 is about 1124.9685419352.

The spelling of 1423708686 in words is "one billion, four hundred twenty-three million, seven hundred eight thousand, six hundred eighty-six".