1423643206 has 16 divisors (see below), whose sum is σ = 2273721840. Its totient is φ = 666204160.

The previous prime is 1423643173. The next prime is 1423643227. The reversal of 1423643206 is 6023463241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110875 + ... + 123046.

It is an arithmetic number, because the mean of its divisors is an integer number (142107615).

Almost surely, 2^1423643206 is an apocalyptic number.

1423643206 is a deficient number, since it is larger than the sum of its proper divisors (850078634).

1423643206 is a wasteful number, since it uses less digits than its factorization.

1423643206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234119.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1423643206 is about 37731.1967210159. The cubic root of 1423643206 is about 1124.9512949449.

The spelling of 1423643206 in words is "one billion, four hundred twenty-three million, six hundred forty-three thousand, two hundred six".