1423436686 has 16 divisors (see below), whose sum is σ = 2441871360. Its totient is φ = 609620760.

The previous prime is 1423436659. The next prime is 1423436711. The reversal of 1423436686 is 6866343241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13966 + ... + 55153.

It is an arithmetic number, because the mean of its divisors is an integer number (152616960).

Almost surely, 2^1423436686 is an apocalyptic number.

1423436686 is a deficient number, since it is larger than the sum of its proper divisors (1018434674).

1423436686 is a wasteful number, since it uses less digits than its factorization.

1423436686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70599.

The product of its digits is 497664, while the sum is 43.

The square root of 1423436686 is about 37728.4598943556. The cubic root of 1423436686 is about 1124.8968955057.

The spelling of 1423436686 in words is "one billion, four hundred twenty-three million, four hundred thirty-six thousand, six hundred eighty-six".