1143224123 has 4 divisors (see below), whose sum is σ = 1143357600. Its totient is φ = 1143090648.

The previous prime is 1143224077. The next prime is 1143224161. The reversal of 1143224123 is 3214223411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143224123 - 2¹⁰ = 1143223099 is a prime.

It is a super-2 number, since 2×1143224123² = 2613922790818238258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143224023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52940 + ... + 71337.

It is an arithmetic number, because the mean of its divisors is an integer number (285839400).

Almost surely, 2^1143224123 is an apocalyptic number.

1143224123 is a deficient number, since it is larger than the sum of its proper divisors (133477).

1143224123 is an equidigital number, since it uses as much as digits as its factorization.

1143224123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133476.

The product of its digits is 1152, while the sum is 23.

The square root of 1143224123 is about 33811.5974630008. The cubic root of 1143224123 is about 1045.6278128844.

Adding to 1143224123 its reverse (3214223411), we get a palindrome (4357447534).

The spelling of 1143224123 in words is "one billion, one hundred forty-three million, two hundred twenty-four thousand, one hundred twenty-three".