1423673856 has 120 divisors (see below), whose sum is σ = 4482507744. Its totient is φ = 431400960.

The previous prime is 1423673843. The next prime is 1423673879. The reversal of 1423673856 is 6583763241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36645 + ... + 64731.

Almost surely, 2^1423673856 is an apocalyptic number.

1423673856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423673856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241253872).

1423673856 is an abundant number, since it is smaller than the sum of its proper divisors (3058833888).

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

1423673856 is a wasteful number, since it uses less digits than its factorization.

1423673856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28122 (or 28103 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1423673856 is about 37731.6028814043. The cubic root of 1423673856 is about 1124.9593680140.

The spelling of 1423673856 in words is "one billion, four hundred twenty-three million, six hundred seventy-three thousand, eight hundred fifty-six".