1423574646 has 16 divisors (see below), whose sum is σ = 3066160944. Its totient is φ = 438022944.

The previous prime is 1423574567. The next prime is 1423574671. The reversal of 1423574646 is 6464753241.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1423574598 and 1423574607.

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, 9125401 + ... + 9125556.

It is an arithmetic number, because the mean of its divisors is an integer number (191635059).

Almost surely, 2^1423574646 is an apocalyptic number.

1423574646 is an abundant number, since it is smaller than the sum of its proper divisors (1642586298).

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

1423574646 is a wasteful number, since it uses less digits than its factorization.

1423574646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250975.

The product of its digits is 483840, while the sum is 42.

The square root of 1423574646 is about 37730.2881780672. The cubic root of 1423574646 is about 1124.9332361367.

The spelling of 1423574646 in words is "one billion, four hundred twenty-three million, five hundred seventy-four thousand, six hundred forty-six".