200523121373 has 2 divisors, whose sum is σ = 200523121374. Its totient is φ = 200523121372.

The previous prime is 200523121333. The next prime is 200523121411. The reversal of 200523121373 is 373121325002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121914102244 + 78609019129 = 349162^2 + 280373^2 .

It is a cyclic number.

It is not a de Polignac number, because 200523121373 - 2¹⁰ = 200523120349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200523121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100261560686 + 100261560687.

It is an arithmetic number, because the mean of its divisors is an integer number (100261560687).

Almost surely, 2^200523121373 is an apocalyptic number.

It is an amenable number.

200523121373 is a deficient number, since it is larger than the sum of its proper divisors (1).

200523121373 is an equidigital number, since it uses as much as digits as its factorization.

200523121373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 200523121373 its reverse (373121325002), we get a palindrome (573644446375).

The spelling of 200523121373 in words is "two hundred billion, five hundred twenty-three million, one hundred twenty-one thousand, three hundred seventy-three".