203123204232073 has 2 divisors, whose sum is σ = 203123204232074. Its totient is φ = 203123204232072.

The previous prime is 203123204232029. The next prime is 203123204232119. The reversal of 203123204232073 is 370232402321302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147835250197504 + 55287954034569 = 12158752^2 + 7435587^2 .

It is a cyclic number.

It is not a de Polignac number, because 203123204232073 - 2⁹ = 203123204231561 is a prime.

It is not a weakly prime, because it can be changed into another prime (203123204202073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561602116036 + 101561602116037.

It is an arithmetic number, because the mean of its divisors is an integer number (101561602116037).

Almost surely, 2^{203123204232073} is an apocalyptic number.

It is an amenable number.

203123204232073 is a deficient number, since it is larger than the sum of its proper divisors (1).

203123204232073 is an equidigital number, since it uses as much as digits as its factorization.

203123204232073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 34.

Adding to 203123204232073 its reverse (370232402321302), we get a palindrome (573355606553375).

The spelling of 203123204232073 in words is "two hundred three trillion, one hundred twenty-three billion, two hundred four million, two hundred thirty-two thousand, seventy-three".