140232420343 has 2 divisors, whose sum is σ = 140232420344. Its totient is φ = 140232420342.

The previous prime is 140232420313. The next prime is 140232420347. The reversal of 140232420343 is 343024232041.

140232420343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (343024232041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140232420343 - 2²⁹ = 139695549431 is a prime.

It is a super-4 number, since 4×140232420343⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140232420347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70116210171 + 70116210172.

It is an arithmetic number, because the mean of its divisors is an integer number (70116210172).

Almost surely, 2^140232420343 is an apocalyptic number.

140232420343 is a deficient number, since it is larger than the sum of its proper divisors (1).

140232420343 is an equidigital number, since it uses as much as digits as its factorization.

140232420343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 140232420343 its reverse (343024232041), we get a palindrome (483256652384).

The spelling of 140232420343 in words is "one hundred forty billion, two hundred thirty-two million, four hundred twenty thousand, three hundred forty-three".