42140324243 has 2 divisors, whose sum is σ = 42140324244. Its totient is φ = 42140324242.

The previous prime is 42140324231. The next prime is 42140324287. The reversal of 42140324243 is 34242304124.

42140324243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42140324243 - 2²² = 42136129939 is a prime.

It is not a weakly prime, because it can be changed into another prime (42140324293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070162121 + 21070162122.

It is an arithmetic number, because the mean of its divisors is an integer number (21070162122).

Almost surely, 2^42140324243 is an apocalyptic number.

42140324243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42140324243 is an equidigital number, since it uses as much as digits as its factorization.

42140324243 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 42140324243 its reverse (34242304124), we get a palindrome (76382628367).

The spelling of 42140324243 in words is "forty-two billion, one hundred forty million, three hundred twenty-four thousand, two hundred forty-three".