123312102143 has 2 divisors, whose sum is σ = 123312102144. Its totient is φ = 123312102142.

The previous prime is 123312102119. The next prime is 123312102187. The reversal of 123312102143 is 341201213321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123312102143 - 2¹² = 123312098047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123312104143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61656051071 + 61656051072.

It is an arithmetic number, because the mean of its divisors is an integer number (61656051072).

Almost surely, 2^123312102143 is an apocalyptic number.

123312102143 is a deficient number, since it is larger than the sum of its proper divisors (1).

123312102143 is an equidigital number, since it uses as much as digits as its factorization.

123312102143 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 23.

Adding to 123312102143 its reverse (341201213321), we get a palindrome (464513315464).

The spelling of 123312102143 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred two thousand, one hundred forty-three".