10321423993 has 2 divisors, whose sum is σ = 10321423994. Its totient is φ = 10321423992.

The previous prime is 10321423963. The next prime is 10321424051. The reversal of 10321423993 is 39932412301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7166130409 + 3155293584 = 84653^2 + 56172^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321423993 - 2⁹ = 10321423481 is a prime.

It is not a weakly prime, because it can be changed into another prime (10321423913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160711996 + 5160711997.

It is an arithmetic number, because the mean of its divisors is an integer number (5160711997).

Almost surely, 2^10321423993 is an apocalyptic number.

It is an amenable number.

10321423993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321423993 is an equidigital number, since it uses as much as digits as its factorization.

10321423993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 10321423993 in words is "ten billion, three hundred twenty-one million, four hundred twenty-three thousand, nine hundred ninety-three".