1143223043 has 8 divisors (see below), whose sum is σ = 1163530080. Its totient is φ = 1123032960.

The previous prime is 1143223033. The next prime is 1143223057. The reversal of 1143223043 is 3403223411.

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 1143223043 - 2²⁸ = 874787587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143223013) 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, 9398 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (145441260).

Almost surely, 2^1143223043 is an apocalyptic number.

1143223043 is a deficient number, since it is larger than the sum of its proper divisors (20307037).

1143223043 is an equidigital number, since it uses as much as digits as its factorization.

1143223043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58477.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1143223043 is about 33811.5814921456. The cubic root of 1143223043 is about 1045.6274836173.

Adding to 1143223043 its reverse (3403223411), we get a palindrome (4546446454).

The spelling of 1143223043 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, forty-three".