140223421399 has 2 divisors, whose sum is σ = 140223421400. Its totient is φ = 140223421398.

The previous prime is 140223421369. The next prime is 140223421411. The reversal of 140223421399 is 993124322041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140223421399 is a prime.

It is a super-2 number, since 2×140223421399² (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 (140223421369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111710699 + 70111710700.

It is an arithmetic number, because the mean of its divisors is an integer number (70111710700).

Almost surely, 2^140223421399 is an apocalyptic number.

140223421399 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223421399 is an equidigital number, since it uses as much as digits as its factorization.

140223421399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 140223421399 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, three hundred ninety-nine".