202143023473 has 2 divisors, whose sum is σ = 202143023474. Its totient is φ = 202143023472.

The previous prime is 202143023429. The next prime is 202143023491. The reversal of 202143023473 is 374320341202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117986754064 + 84156269409 = 343492^2 + 290097^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143023473 - 2¹⁷ = 202142892401 is a prime.

It is not a weakly prime, because it can be changed into another prime (202143027473) 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, 101071511736 + 101071511737.

It is an arithmetic number, because the mean of its divisors is an integer number (101071511737).

Almost surely, 2^202143023473 is an apocalyptic number.

It is an amenable number.

202143023473 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143023473 is an equidigital number, since it uses as much as digits as its factorization.

202143023473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

Adding to 202143023473 its reverse (374320341202), we get a palindrome (576463364675).

The spelling of 202143023473 in words is "two hundred two billion, one hundred forty-three million, twenty-three thousand, four hundred seventy-three".