6446115423 has 48 divisors (see below), whose sum is σ = 10536624384. Its totient is φ = 3763428480.

The previous prime is 6446115421. The next prime is 6446115457. The reversal of 6446115423 is 3245116446.

6446115423 is a `hidden beast` number, since 64 + 46 + 11 + 542 + 3 = 666.

It is not a de Polignac number, because 6446115423 - 2¹ = 6446115421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446115421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300390 + ... + 321132.

It is an arithmetic number, because the mean of its divisors is an integer number (219513008).

Almost surely, 2^6446115423 is an apocalyptic number.

6446115423 is a deficient number, since it is larger than the sum of its proper divisors (4090508961).

6446115423 is a wasteful number, since it uses less digits than its factorization.

6446115423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20876 (or 20873 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6446115423 is about 80287.7040585917. The cubic root of 6446115423 is about 1861.0842161231.

The spelling of 6446115423 in words is "six billion, four hundred forty-six million, one hundred fifteen thousand, four hundred twenty-three".