201233103312973 has 2 divisors, whose sum is σ = 201233103312974. Its totient is φ = 201233103312972.

The previous prime is 201233103312953. The next prime is 201233103312977. The reversal of 201233103312973 is 379213301332102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201109071151849 + 124032161124 = 14181293^2 + 352182^2 .

It is a cyclic number.

It is not a de Polignac number, because 201233103312973 - 2⁴⁵ = 166048731224141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201233103312977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616551656486 + 100616551656487.

It is an arithmetic number, because the mean of its divisors is an integer number (100616551656487).

Almost surely, 2^{201233103312973} is an apocalyptic number.

It is an amenable number.

201233103312973 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233103312973 is an equidigital number, since it uses as much as digits as its factorization.

201233103312973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 201233103312973 in words is "two hundred one trillion, two hundred thirty-three billion, one hundred three million, three hundred twelve thousand, nine hundred seventy-three".