6403340223 has 40 divisors (see below), whose sum is σ = 10940475392. Its totient is φ = 3656209104.

The previous prime is 6403340201. The next prime is 6403340239. The reversal of 6403340223 is 3220433046.

It is a happy number.

6403340223 is a `hidden beast` number, since 6 + 403 + 34 + 0 + 223 = 666.

It is not a de Polignac number, because 6403340223 - 2²⁹ = 5866469311 is a prime.

It is a super-2 number, since 2×6403340223² = 82005532022979379458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403340263) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 884886 + ... + 892092.

Almost surely, 2^6403340223 is an apocalyptic number.

6403340223 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6403340223 is a deficient number, since it is larger than the sum of its proper divisors (4537135169).

6403340223 is a wasteful number, since it uses less digits than its factorization.

6403340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8793 (or 8784 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 6403340223 is about 80020.8736705617. The cubic root of 6403340223 is about 1856.9584760564.

Adding to 6403340223 its reverse (3220433046), we get a palindrome (9623773269).

The spelling of 6403340223 in words is "six billion, four hundred three million, three hundred forty thousand, two hundred twenty-three".