2143643303 has 8 divisors (see below), whose sum is σ = 2209920720. Its totient is φ = 2078032320.

The previous prime is 2143643297. The next prime is 2143643311. The reversal of 2143643303 is 3033463412.

It is a happy number.

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 2143643303 - 2¹⁰ = 2143642279 is a prime.

It is a super-2 number, since 2×2143643303² = 9190413220993499618, 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 (2143643363) 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, 160073 + ... + 172946.

It is an arithmetic number, because the mean of its divisors is an integer number (276240090).

Almost surely, 2^2143643303 is an apocalyptic number.

2143643303 is a deficient number, since it is larger than the sum of its proper divisors (66277417).

2143643303 is a wasteful number, since it uses less digits than its factorization.

2143643303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333217.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 2143643303 is about 46299.4957099967. The cubic root of 2143643303 is about 1289.3896323266.

The spelling of 2143643303 in words is "two billion, one hundred forty-three million, six hundred forty-three thousand, three hundred three".