1200111323 has 2 divisors, whose sum is σ = 1200111324. Its totient is φ = 1200111322.

The previous prime is 1200111239. The next prime is 1200111329. The reversal of 1200111323 is 3231110021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200111323 - 2¹⁰ = 1200110299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200111298 and 1200111307.

It is not a weakly prime, because it can be changed into another prime (1200111329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600055661 + 600055662.

It is an arithmetic number, because the mean of its divisors is an integer number (600055662).

Almost surely, 2^1200111323 is an apocalyptic number.

1200111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200111323 is an equidigital number, since it uses as much as digits as its factorization.

1200111323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1200111323 is about 34642.6229232141. The cubic root of 1200111323 is about 1062.6914288165.

Adding to 1200111323 its reverse (3231110021), we get a palindrome (4431221344).

The spelling of 1200111323 in words is "one billion, two hundred million, one hundred eleven thousand, three hundred twenty-three".