1232200143 has 6 divisors (see below), whose sum is σ = 1779844664. Its totient is φ = 821466756.

The previous prime is 1232200139. The next prime is 1232200153. The reversal of 1232200143 is 3410022321.

It is not a de Polignac number, because 1232200143 - 2² = 1232200139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232200153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68455555 + ... + 68455572.

Almost surely, 2^1232200143 is an apocalyptic number.

1232200143 is a deficient number, since it is larger than the sum of its proper divisors (547644521).

1232200143 is a wasteful number, since it uses less digits than its factorization.

1232200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136911133 (or 136911130 counting only the distinct ones).

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

The square root of 1232200143 is about 35102.7084852437. The cubic root of 1232200143 is about 1072.0797303581.

Adding to 1232200143 its reverse (3410022321), we get a palindrome (4642222464).

The spelling of 1232200143 in words is "one billion, two hundred thirty-two million, two hundred thousand, one hundred forty-three".