1023281393203 has 2 divisors, whose sum is σ = 1023281393204. Its totient is φ = 1023281393202.

The previous prime is 1023281393171. The next prime is 1023281393297. The reversal of 1023281393203 is 3023931823201.

1023281393203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023281393203 - 2⁵ = 1023281393171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023281313203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511640696601 + 511640696602.

It is an arithmetic number, because the mean of its divisors is an integer number (511640696602).

Almost surely, 2^{1023281393203} is an apocalyptic number.

1023281393203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023281393203 is an equidigital number, since it uses as much as digits as its factorization.

1023281393203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 1023281393203 in words is "one trillion, twenty-three billion, two hundred eighty-one million, three hundred ninety-three thousand, two hundred three".