203223011143 has 2 divisors, whose sum is σ = 203223011144. Its totient is φ = 203223011142.

The previous prime is 203223011099. The next prime is 203223011191. The reversal of 203223011143 is 341110322302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203223011143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203223011543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101611505571 + 101611505572.

It is an arithmetic number, because the mean of its divisors is an integer number (101611505572).

Almost surely, 2^203223011143 is an apocalyptic number.

203223011143 is a deficient number, since it is larger than the sum of its proper divisors (1).

203223011143 is an equidigital number, since it uses as much as digits as its factorization.

203223011143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 203223011143 its reverse (341110322302), we get a palindrome (544333333445).

The spelling of 203223011143 in words is "two hundred three billion, two hundred twenty-three million, eleven thousand, one hundred forty-three".