12143043 has 24 divisors (see below), whose sum is σ = 19272240. Its totient is φ = 7306560.

The previous prime is 12143023. The next prime is 12143063. The reversal of 12143043 is 34034121.

12143043 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12143023) and next prime (12143063).

It is not a de Polignac number, because 12143043 - 2⁹ = 12142531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12143023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16773 + ... + 17481.

It is an arithmetic number, because the mean of its divisors is an integer number (803010).

Almost surely, 2^12143043 is an apocalyptic number.

12143043 is a deficient number, since it is larger than the sum of its proper divisors (7129197).

12143043 is a wasteful number, since it uses less digits than its factorization.

12143043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12143043 is about 3484.6869299838. The cubic root of 12143043 is about 229.8489430301.

Adding to 12143043 its reverse (34034121), we get a palindrome (46177164).

The spelling of 12143043 in words is "twelve million, one hundred forty-three thousand, forty-three".