1233143143 has 2 divisors, whose sum is σ = 1233143144. Its totient is φ = 1233143142.

The previous prime is 1233143099. The next prime is 1233143167. The reversal of 1233143143 is 3413413321.

It is a strong prime.

It is an emirp because it is prime and its reverse (3413413321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233143143 is a prime.

It is a super-2 number, since 2×1233143143² = 3041284022255836898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233143843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616571571 + 616571572.

It is an arithmetic number, because the mean of its divisors is an integer number (616571572).

Almost surely, 2^1233143143 is an apocalyptic number.

1233143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233143143 is an equidigital number, since it uses as much as digits as its factorization.

1233143143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 1233143143 is about 35116.1379283087. The cubic root of 1233143143 is about 1072.3531473575.

Adding to 1233143143 its reverse (3413413321), we get a palindrome (4646556464).

The spelling of 1233143143 in words is "one billion, two hundred thirty-three million, one hundred forty-three thousand, one hundred forty-three".