42001344104143 has 2 divisors, whose sum is σ = 42001344104144. Its totient is φ = 42001344104142.

The previous prime is 42001344104107. The next prime is 42001344104177. The reversal of 42001344104143 is 34140144310024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42001344104143 - 2⁴⁵ = 6816972015311 is a prime.

It is a super-2 number, since 2×42001344104143² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42001344104843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21000672052071 + 21000672052072.

It is an arithmetic number, because the mean of its divisors is an integer number (21000672052072).

Almost surely, 2^{42001344104143} is an apocalyptic number.

42001344104143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42001344104143 is an equidigital number, since it uses as much as digits as its factorization.

42001344104143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42001344104143 its reverse (34140144310024), we get a palindrome (76141488414167).

The spelling of 42001344104143 in words is "forty-two trillion, one billion, three hundred forty-four million, one hundred four thousand, one hundred forty-three".