868233143 has 2 divisors, whose sum is σ = 868233144. Its totient is φ = 868233142.

The previous prime is 868233103. The next prime is 868233169. The reversal of 868233143 is 341332868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868233143 - 2¹⁰ = 868232119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868233097 and 868233106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868233103) 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 as a sum of consecutive naturals, namely, 434116571 + 434116572.

It is an arithmetic number, because the mean of its divisors is an integer number (434116572).

Almost surely, 2^868233143 is an apocalyptic number.

868233143 is a deficient number, since it is larger than the sum of its proper divisors (1).

868233143 is an equidigital number, since it uses as much as digits as its factorization.

868233143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 868233143 is about 29465.7961541853. The cubic root of 868233143 is about 953.9935828261.

The spelling of 868233143 in words is "eight hundred sixty-eight million, two hundred thirty-three thousand, one hundred forty-three".