12342020143 has 2 divisors, whose sum is σ = 12342020144. Its totient is φ = 12342020142.

The previous prime is 12342020113. The next prime is 12342020167. The reversal of 12342020143 is 34102024321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12342020143 is a prime.

It is a super-2 number, since 2×12342020143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12342020113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171010071 + 6171010072.

It is an arithmetic number, because the mean of its divisors is an integer number (6171010072).

Almost surely, 2^12342020143 is an apocalyptic number.

12342020143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12342020143 is an equidigital number, since it uses as much as digits as its factorization.

12342020143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12342020143 its reverse (34102024321), we get a palindrome (46444044464).

The spelling of 12342020143 in words is "twelve billion, three hundred forty-two million, twenty thousand, one hundred forty-three".