1203223230311 has 2 divisors, whose sum is σ = 1203223230312. Its totient is φ = 1203223230310.

The previous prime is 1203223230203. The next prime is 1203223230347. The reversal of 1203223230311 is 1130323223021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203223230311 is a prime.

It is a super-2 number, since 2×1203223230311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203223130311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601611615155 + 601611615156.

It is an arithmetic number, because the mean of its divisors is an integer number (601611615156).

Almost surely, 2^{1203223230311} is an apocalyptic number.

1203223230311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203223230311 is an equidigital number, since it uses as much as digits as its factorization.

1203223230311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1203223230311 its reverse (1130323223021), we get a palindrome (2333546453332).

The spelling of 1203223230311 in words is "one trillion, two hundred three billion, two hundred twenty-three million, two hundred thirty thousand, three hundred eleven".