1233143 has 2 divisors, whose sum is σ = 1233144. Its totient is φ = 1233142.

The previous prime is 1233121. The next prime is 1233179. The reversal of 1233143 is 3413321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3413321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1233143 - 2⁶ = 1233079 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 2¹⁹ + 3² + 3¹¹ + 1 + 4⁴ + 3¹² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1733143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616571 + 616572.

It is an arithmetic number, because the mean of its divisors is an integer number (616572).

2^1233143 is an apocalyptic number.

1233143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233143 is an equidigital number, since it uses as much as digits as its factorization.

1233143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 1233143 is about 1110.4697204337. The cubic root of 1233143 is about 107.2353105906.

Adding to 1233143 its reverse (3413321), we get a palindrome (4646464).

The spelling of 1233143 in words is "one million, two hundred thirty-three thousand, one hundred forty-three".