1001111323 has 2 divisors, whose sum is σ = 1001111324. Its totient is φ = 1001111322.

The previous prime is 1001111299. The next prime is 1001111333. The reversal of 1001111323 is 3231111001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001111323 - 2¹⁷ = 1000980251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001111333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555661 + 500555662.

It is an arithmetic number, because the mean of its divisors is an integer number (500555662).

Almost surely, 2^1001111323 is an apocalyptic number.

1001111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001111323 is an equidigital number, since it uses as much as digits as its factorization.

1001111323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1001111323 is about 31640.3432819557. The cubic root of 1001111323 is about 1000.3703038581.

Adding to 1001111323 its reverse (3231111001), we get a palindrome (4232222324).

The spelling of 1001111323 in words is "one billion, one million, one hundred eleven thousand, three hundred twenty-three".