6430023643 has 8 divisors (see below), whose sum is σ = 6773312000. Its totient is φ = 6087221928.

The previous prime is 6430023641. The next prime is 6430023647. The reversal of 6430023643 is 3463200346.

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

It is a cyclic number.

It is not a de Polignac number, because 6430023643 - 2¹ = 6430023641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6430023641) 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, 94371 + ... + 147532.

It is an arithmetic number, because the mean of its divisors is an integer number (846664000).

Almost surely, 2^6430023643 is an apocalyptic number.

6430023643 is a deficient number, since it is larger than the sum of its proper divisors (343288357).

6430023643 is a wasteful number, since it uses less digits than its factorization.

6430023643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243321.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 6430023643 is about 80187.4282104121. The cubic root of 6430023643 is about 1859.5342845849.

Adding to 6430023643 its reverse (3463200346), we get a palindrome (9893223989).

The spelling of 6430023643 in words is "six billion, four hundred thirty million, twenty-three thousand, six hundred forty-three".