42404223143 has 2 divisors, whose sum is σ = 42404223144. Its totient is φ = 42404223142.

The previous prime is 42404223119. The next prime is 42404223181. The reversal of 42404223143 is 34132240424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42404223143 is a prime.

It is a super-2 number, since 2×42404223143² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42404226143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202111571 + 21202111572.

It is an arithmetic number, because the mean of its divisors is an integer number (21202111572).

Almost surely, 2^42404223143 is an apocalyptic number.

42404223143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42404223143 is an equidigital number, since it uses as much as digits as its factorization.

42404223143 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 29.

Adding to 42404223143 its reverse (34132240424), we get a palindrome (76536463567).

The spelling of 42404223143 in words is "forty-two billion, four hundred four million, two hundred twenty-three thousand, one hundred forty-three".