1123030200311 has 2 divisors, whose sum is σ = 1123030200312. Its totient is φ = 1123030200310.

The previous prime is 1123030200287. The next prime is 1123030200337. The reversal of 1123030200311 is 1130020303211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123030200311 - 2⁶ = 1123030200247 is a prime.

It is a super-2 number, since 2×1123030200311² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123030200311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123030200371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561515100155 + 561515100156.

It is an arithmetic number, because the mean of its divisors is an integer number (561515100156).

Almost surely, 2^{1123030200311} is an apocalyptic number.

1123030200311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030200311 is an equidigital number, since it uses as much as digits as its factorization.

1123030200311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1123030200311 its reverse (1130020303211), we get a palindrome (2253050503522).

The spelling of 1123030200311 in words is "one trillion, one hundred twenty-three billion, thirty million, two hundred thousand, three hundred eleven".