1211030323 has 2 divisors, whose sum is σ = 1211030324. Its totient is φ = 1211030322.

The previous prime is 1211030321. The next prime is 1211030329. The reversal of 1211030323 is 3230301121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211030323 - 2¹ = 1211030321 is a prime.

Together with 1211030321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1211030297 and 1211030306.

It is not a weakly prime, because it can be changed into another prime (1211030321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605515161 + 605515162.

It is an arithmetic number, because the mean of its divisors is an integer number (605515162).

Almost surely, 2^1211030323 is an apocalyptic number.

1211030323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211030323 is an equidigital number, since it uses as much as digits as its factorization.

1211030323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1211030323 is about 34799.8609623659. The cubic root of 1211030323 is about 1065.9046067428.

Adding to 1211030323 its reverse (3230301121), we get a palindrome (4441331444).

The spelling of 1211030323 in words is "one billion, two hundred eleven million, thirty thousand, three hundred twenty-three".