1121523233 has 2 divisors, whose sum is σ = 1121523234. Its totient is φ = 1121523232.

The previous prime is 1121523209. The next prime is 1121523253. The reversal of 1121523233 is 3323251211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119036304 + 2486929 = 33452^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121523233 - 2¹⁴ = 1121506849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121523199 and 1121523208.

It is not a weakly prime, because it can be changed into another prime (1121523253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560761616 + 560761617.

It is an arithmetic number, because the mean of its divisors is an integer number (560761617).

Almost surely, 2^1121523233 is an apocalyptic number.

It is an amenable number.

1121523233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121523233 is an equidigital number, since it uses as much as digits as its factorization.

1121523233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 1121523233 is about 33489.1509746067. The cubic root of 1121523233 is about 1038.9694034305.

Adding to 1121523233 its reverse (3323251211), we get a palindrome (4444774444).

The spelling of 1121523233 in words is "one billion, one hundred twenty-one million, five hundred twenty-three thousand, two hundred thirty-three".