140223434347 has 2 divisors, whose sum is σ = 140223434348. Its totient is φ = 140223434346.

The previous prime is 140223434339. The next prime is 140223434353. The reversal of 140223434347 is 743434322041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140223434347 - 2³ = 140223434339 is a prime.

It is a super-2 number, since 2×140223434347² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140223434317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111717173 + 70111717174.

It is an arithmetic number, because the mean of its divisors is an integer number (70111717174).

Almost surely, 2^140223434347 is an apocalyptic number.

140223434347 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223434347 is an equidigital number, since it uses as much as digits as its factorization.

140223434347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 37.

Adding to 140223434347 its reverse (743434322041), we get a palindrome (883657756388).

The spelling of 140223434347 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, three hundred forty-seven".