42344540143 has 2 divisors, whose sum is σ = 42344540144. Its totient is φ = 42344540142.

The previous prime is 42344540137. The next prime is 42344540159. The reversal of 42344540143 is 34104544324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42344540143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42344540099 and 42344540108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42344540243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172270071 + 21172270072.

It is an arithmetic number, because the mean of its divisors is an integer number (21172270072).

Almost surely, 2^42344540143 is an apocalyptic number.

42344540143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344540143 is an equidigital number, since it uses as much as digits as its factorization.

42344540143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 34.

The spelling of 42344540143 in words is "forty-two billion, three hundred forty-four million, five hundred forty thousand, one hundred forty-three".