1123231433 has 2 divisors, whose sum is σ = 1123231434. Its totient is φ = 1123231432.

The previous prime is 1123231411. The next prime is 1123231441. The reversal of 1123231433 is 3341323211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1072366009 + 50865424 = 32747^2 + 7132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123231433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123231399 and 1123231408.

It is not a weakly prime, because it can be changed into another prime (1123231453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561615716 + 561615717.

It is an arithmetic number, because the mean of its divisors is an integer number (561615717).

Almost surely, 2^1123231433 is an apocalyptic number.

It is an amenable number.

1123231433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123231433 is an equidigital number, since it uses as much as digits as its factorization.

1123231433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 1123231433 is about 33514.6450525737. The cubic root of 1123231433 is about 1039.4966230757.

Adding to 1123231433 its reverse (3341323211), we get a palindrome (4464554644).

The spelling of 1123231433 in words is "one billion, one hundred twenty-three million, two hundred thirty-one thousand, four hundred thirty-three".