1203432143 has 2 divisors, whose sum is σ = 1203432144. Its totient is φ = 1203432142.

The previous prime is 1203432079. The next prime is 1203432157. The reversal of 1203432143 is 3412343021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203432143 - 2⁶ = 1203432079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203432743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601716071 + 601716072.

It is an arithmetic number, because the mean of its divisors is an integer number (601716072).

Almost surely, 2^1203432143 is an apocalyptic number.

1203432143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203432143 is an equidigital number, since it uses as much as digits as its factorization.

1203432143 is an evil number, because the sum of its binary digits is even.

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

The square root of 1203432143 is about 34690.5194974074. The cubic root of 1203432143 is about 1063.6707148897.

Adding to 1203432143 its reverse (3412343021), we get a palindrome (4615775164).

The spelling of 1203432143 in words is "one billion, two hundred three million, four hundred thirty-two thousand, one hundred forty-three".