6423724456 has 32 divisors (see below), whose sum is σ = 12165927840. Its totient is φ = 3179521728.

The previous prime is 6423724453. The next prime is 6423724477. The reversal of 6423724456 is 6544273246.

It is a super-2 number, since 2×6423724456² = 82528471773224991872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6423724453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295250 + ... + 2298046.

It is an arithmetic number, because the mean of its divisors is an integer number (380185245).

Almost surely, 2^6423724456 is an apocalyptic number.

It is an amenable number.

6423724456 is a deficient number, since it is larger than the sum of its proper divisors (5742203384).

6423724456 is a wasteful number, since it uses less digits than its factorization.

6423724456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593 (or 5589 counting only the distinct ones).

The product of its digits is 967680, while the sum is 43.

The square root of 6423724456 is about 80148.1406896005. The cubic root of 6423724456 is about 1858.9268538820.

The spelling of 6423724456 in words is "six billion, four hundred twenty-three million, seven hundred twenty-four thousand, four hundred fifty-six".