6442376223 has 8 divisors (see below), whose sum is σ = 8718041728. Its totient is φ = 4230814104.

The previous prime is 6442376209. The next prime is 6442376231. The reversal of 6442376223 is 3226732446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6442376223 is a prime.

It is a super-2 number, since 2×6442376223² = 83008422797351491458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442376233) 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, 16025611 + ... + 16026012.

It is an arithmetic number, because the mean of its divisors is an integer number (1089755216).

Almost surely, 2^6442376223 is an apocalyptic number.

6442376223 is a deficient number, since it is larger than the sum of its proper divisors (2275665505).

6442376223 is a wasteful number, since it uses less digits than its factorization.

6442376223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32051693.

The product of its digits is 290304, while the sum is 39.

The square root of 6442376223 is about 80264.4144250738. The cubic root of 6442376223 is about 1860.7242933044.

The spelling of 6442376223 in words is "six billion, four hundred forty-two million, three hundred seventy-six thousand, two hundred twenty-three".