140223434317 has 2 divisors, whose sum is σ = 140223434318. Its totient is φ = 140223434316.

The previous prime is 140223434291. The next prime is 140223434339. The reversal of 140223434317 is 713434322041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129595680036 + 10627754281 = 359994^2 + 103091^2 .

It is a cyclic number.

It is not a de Polignac number, because 140223434317 - 2²³ = 140215045709 is a prime.

It is a super-2 number, since 2×140223434317² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140223434347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111717158 + 70111717159.

It is an arithmetic number, because the mean of its divisors is an integer number (70111717159).

Almost surely, 2^140223434317 is an apocalyptic number.

It is an amenable number.

140223434317 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223434317 is an equidigital number, since it uses as much as digits as its factorization.

140223434317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 140223434317 its reverse (713434322041), we get a palindrome (853657756358).

The spelling of 140223434317 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, three hundred seventeen".