10001422123993 has 2 divisors, whose sum is σ = 10001422123994. Its totient is φ = 10001422123992.

The previous prime is 10001422123991. The next prime is 10001422124017. The reversal of 10001422123993 is 39932122410001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8021764681984 + 1979657442009 = 2832272^2 + 1407003^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001422123993 - 2¹ = 10001422123991 is a prime.

Together with 10001422123991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10001422123991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000711061996 + 5000711061997.

It is an arithmetic number, because the mean of its divisors is an integer number (5000711061997).

Almost surely, 2^{10001422123993} is an apocalyptic number.

It is an amenable number.

10001422123993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001422123993 is an equidigital number, since it uses as much as digits as its factorization.

10001422123993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

Adding to 10001422123993 its reverse (39932122410001), we get a palindrome (49933544533994).

The spelling of 10001422123993 in words is "ten trillion, one billion, four hundred twenty-two million, one hundred twenty-three thousand, nine hundred ninety-three".