140244321223393 has 2 divisors, whose sum is σ = 140244321223394. Its totient is φ = 140244321223392.

The previous prime is 140244321223319. The next prime is 140244321223453. The reversal of 140244321223393 is 393322123442041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73327144018129 + 66917177205264 = 8563127^2 + 8180292^2 .

It is a cyclic number.

It is not a de Polignac number, because 140244321223393 - 2⁹ = 140244321222881 is a prime.

It is not a weakly prime, because it can be changed into another prime (140244321221393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70122160611696 + 70122160611697.

It is an arithmetic number, because the mean of its divisors is an integer number (70122160611697).

Almost surely, 2^{140244321223393} is an apocalyptic number.

It is an amenable number.

140244321223393 is a deficient number, since it is larger than the sum of its proper divisors (1).

140244321223393 is an equidigital number, since it uses as much as digits as its factorization.

140244321223393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 140244321223393 in words is "one hundred forty trillion, two hundred forty-four billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred ninety-three".