10643143 has 6 divisors (see below), whose sum is σ = 12380856. Its totient is φ = 9122652.

The previous prime is 10643123. The next prime is 10643147. The reversal of 10643143 is 34134601.

10643143 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10643143 - 2⁵ = 10643111 is a prime.

It is a super-2 number, since 2×10643143² = 226552985836898, 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 (10643147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108555 + ... + 108652.

It is an arithmetic number, because the mean of its divisors is an integer number (2063476).

Almost surely, 2^10643143 is an apocalyptic number.

10643143 is a deficient number, since it is larger than the sum of its proper divisors (1737713).

10643143 is an equidigital number, since it uses as much as digits as its factorization.

10643143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217221 (or 217214 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 10643143 is about 3262.3830247229. The cubic root of 10643143 is about 219.9665444994.

Adding to 10643143 its reverse (34134601), we get a palindrome (44777744).

The spelling of 10643143 in words is "ten million, six hundred forty-three thousand, one hundred forty-three".