123201204143 has 2 divisors, whose sum is σ = 123201204144. Its totient is φ = 123201204142.

The previous prime is 123201204089. The next prime is 123201204149. The reversal of 123201204143 is 341402102321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123201204143 - 2²⁰ = 123200155567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123201204149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600602071 + 61600602072.

It is an arithmetic number, because the mean of its divisors is an integer number (61600602072).

Almost surely, 2^123201204143 is an apocalyptic number.

123201204143 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201204143 is an equidigital number, since it uses as much as digits as its factorization.

123201204143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123201204143 its reverse (341402102321), we get a palindrome (464603306464).

The spelling of 123201204143 in words is "one hundred twenty-three billion, two hundred one million, two hundred four thousand, one hundred forty-three".