1133231123 has 2 divisors, whose sum is σ = 1133231124. Its totient is φ = 1133231122.

The previous prime is 1133231087. The next prime is 1133231161. The reversal of 1133231123 is 3211323311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133231123 - 2⁶ = 1133231059 is a prime.

It is a super-2 number, since 2×1133231123² = 2568425556271682258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1133231095 and 1133231104.

It is not a weakly prime, because it can be changed into another prime (1133231023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566615561 + 566615562.

It is an arithmetic number, because the mean of its divisors is an integer number (566615562).

Almost surely, 2^1133231123 is an apocalyptic number.

1133231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133231123 is an equidigital number, since it uses as much as digits as its factorization.

1133231123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 1133231123 is about 33663.4983773226. The cubic root of 1133231123 is about 1042.5722579102.

Adding to 1133231123 its reverse (3211323311), we get a palindrome (4344554434).

The spelling of 1133231123 in words is "one billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred twenty-three".