140223203209979 has 2 divisors, whose sum is σ = 140223203209980. Its totient is φ = 140223203209978.

The previous prime is 140223203209937. The next prime is 140223203210047. The reversal of 140223203209979 is 979902302322041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140223203209979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140223203209979.

It is not a weakly prime, because it can be changed into another prime (140223203209919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111601604989 + 70111601604990.

It is an arithmetic number, because the mean of its divisors is an integer number (70111601604990).

Almost surely, 2^{140223203209979} is an apocalyptic number.

140223203209979 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223203209979 is an equidigital number, since it uses as much as digits as its factorization.

140223203209979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 140223203209979 in words is "one hundred forty trillion, two hundred twenty-three billion, two hundred three million, two hundred nine thousand, nine hundred seventy-nine".