10203223331993 has 2 divisors, whose sum is σ = 10203223331994. Its totient is φ = 10203223331992.

The previous prime is 10203223331981. The next prime is 10203223332013. The reversal of 10203223331993 is 39913332230201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6049420636249 + 4153802695744 = 2459557^2 + 2038088^2 .

It is an emirp because it is prime and its reverse (39913332230201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10203223331993 - 2⁸ = 10203223331737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10203223331993.

It is not a weakly prime, because it can be changed into another prime (10203223331933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101611665996 + 5101611665997.

It is an arithmetic number, because the mean of its divisors is an integer number (5101611665997).

Almost surely, 2^{10203223331993} is an apocalyptic number.

It is an amenable number.

10203223331993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203223331993 is an equidigital number, since it uses as much as digits as its factorization.

10203223331993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 41.

The spelling of 10203223331993 in words is "ten trillion, two hundred three billion, two hundred twenty-three million, three hundred thirty-one thousand, nine hundred ninety-three".