623871472 has 20 divisors (see below), whose sum is σ = 1381429936. Its totient is φ = 267373440.

The previous prime is 623871439. The next prime is 623871473. The reversal of 623871472 is 274178326.

623871472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×623871472² = 778431227150893568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623871473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785029 + ... + 2785252.

Almost surely, 2^623871472 is an apocalyptic number.

It is an amenable number.

623871472 is an abundant number, since it is smaller than the sum of its proper divisors (757558464).

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

623871472 is a wasteful number, since it uses less digits than its factorization.

623871472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570296 (or 5570290 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 623871472 is about 24977.4192421875. The cubic root of 623871472 is about 854.4730617687.

The spelling of 623871472 in words is "six hundred twenty-three million, eight hundred seventy-one thousand, four hundred seventy-two".