1133231023 has 2 divisors, whose sum is σ = 1133231024. Its totient is φ = 1133231022.

The previous prime is 1133230997. The next prime is 1133231051. The reversal of 1133231023 is 3201323311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133231023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133231123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566615511 + 566615512.

It is an arithmetic number, because the mean of its divisors is an integer number (566615512).

Almost surely, 2^1133231023 is an apocalyptic number.

1133231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133231023 is an equidigital number, since it uses as much as digits as its factorization.

1133231023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1133231023 is about 33663.4968920343. The cubic root of 1133231023 is about 1042.5722272436.

Adding to 1133231023 its reverse (3201323311), we get a palindrome (4334554334).

The spelling of 1133231023 in words is "one billion, one hundred thirty-three million, two hundred thirty-one thousand, twenty-three".