1423661426 has 32 divisors (see below), whose sum is σ = 2386359360. Its totient is φ = 631540800.

The previous prime is 1423661419. The next prime is 1423661441. The reversal of 1423661426 is 6241663241.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 156236 + ... + 165096.

It is an arithmetic number, because the mean of its divisors is an integer number (74573730).

Almost surely, 2^1423661426 is an apocalyptic number.

1423661426 is a deficient number, since it is larger than the sum of its proper divisors (962697934).

1423661426 is a wasteful number, since it uses less digits than its factorization.

1423661426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050.

The product of its digits is 41472, while the sum is 35.

The square root of 1423661426 is about 37731.4381650104. The cubic root of 1423661426 is about 1124.9560940231.

The spelling of 1423661426 in words is "one billion, four hundred twenty-three million, six hundred sixty-one thousand, four hundred twenty-six".