6381823623 has 16 divisors (see below), whose sum is σ = 9727284480. Its totient is φ = 3645781056.

The previous prime is 6381823537. The next prime is 6381823627. The reversal of 6381823623 is 3263281836.

It is a happy number.

It is not a de Polignac number, because 6381823623 - 2⁸ = 6381823367 is a prime.

It is a super-2 number, since 2×6381823623² = 81455345510161692258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381823627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43836 + ... + 121182.

It is an arithmetic number, because the mean of its divisors is an integer number (607955280).

Almost surely, 2^6381823623 is an apocalyptic number.

6381823623 is a deficient number, since it is larger than the sum of its proper divisors (3345460857).

6381823623 is a wasteful number, since it uses less digits than its factorization.

6381823623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81286.

The product of its digits is 248832, while the sum is 42.

The square root of 6381823623 is about 79886.3168696617. The cubic root of 6381823623 is about 1854.8762154427.

The spelling of 6381823623 in words is "six billion, three hundred eighty-one million, eight hundred twenty-three thousand, six hundred twenty-three".