203033223049 has 2 divisors, whose sum is σ = 203033223050. Its totient is φ = 203033223048.

The previous prime is 203033223011. The next prime is 203033223103. The reversal of 203033223049 is 940322330302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152964685449 + 50068537600 = 391107^2 + 223760^2 .

It is a cyclic number.

It is not a de Polignac number, because 203033223049 - 2²¹ = 203031125897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203033223049.

It is not a weakly prime, because it can be changed into another prime (203033223749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101516611524 + 101516611525.

It is an arithmetic number, because the mean of its divisors is an integer number (101516611525).

Almost surely, 2^203033223049 is an apocalyptic number.

It is an amenable number.

203033223049 is a deficient number, since it is larger than the sum of its proper divisors (1).

203033223049 is an equidigital number, since it uses as much as digits as its factorization.

203033223049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 203033223049 in words is "two hundred three billion, thirty-three million, two hundred twenty-three thousand, forty-nine".