1423734872 has 16 divisors (see below), whose sum is σ = 3050860560. Its totient is φ = 610172064.

The previous prime is 1423734839. The next prime is 1423734929. The reversal of 1423734872 is 2784373241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12711863 + ... + 12711974.

It is an arithmetic number, because the mean of its divisors is an integer number (190678785).

Almost surely, 2^1423734872 is an apocalyptic number.

It is an amenable number.

1423734872 is an abundant number, since it is smaller than the sum of its proper divisors (1627125688).

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

1423734872 is a wasteful number, since it uses less digits than its factorization.

1423734872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25423850 (or 25423846 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 1423734872 is about 37732.4114257226. The cubic root of 1423734872 is about 1124.9754390029.

The spelling of 1423734872 in words is "one billion, four hundred twenty-three million, seven hundred thirty-four thousand, eight hundred seventy-two".