402223223993 has 2 divisors, whose sum is σ = 402223223994. Its totient is φ = 402223223992.

The previous prime is 402223223971. The next prime is 402223224023. The reversal of 402223223993 is 399322322204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298392340009 + 103830883984 = 546253^2 + 322228^2 .

It is a cyclic number.

It is not a de Polignac number, because 402223223993 - 2³⁰ = 401149482169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402223223993.

It is not a weakly prime, because it can be changed into another prime (402223243993) 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, 201111611996 + 201111611997.

It is an arithmetic number, because the mean of its divisors is an integer number (201111611997).

Almost surely, 2^402223223993 is an apocalyptic number.

It is an amenable number.

402223223993 is a deficient number, since it is larger than the sum of its proper divisors (1).

402223223993 is an equidigital number, since it uses as much as digits as its factorization.

402223223993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 402223223993 in words is "four hundred two billion, two hundred twenty-three million, two hundred twenty-three thousand, nine hundred ninety-three".