231323023221203 has 2 divisors, whose sum is σ = 231323023221204. Its totient is φ = 231323023221202.

The previous prime is 231323023221167. The next prime is 231323023221229. The reversal of 231323023221203 is 302122320323132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231323023221203 - 2¹⁸ = 231323022959059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (231323023221253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661511610601 + 115661511610602.

It is an arithmetic number, because the mean of its divisors is an integer number (115661511610602).

Almost surely, 2^{231323023221203} is an apocalyptic number.

231323023221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323023221203 is an equidigital number, since it uses as much as digits as its factorization.

231323023221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231323023221203 its reverse (302122320323132), we get a palindrome (533445343544335).

The spelling of 231323023221203 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, twenty-three million, two hundred twenty-one thousand, two hundred three".