1123533263 has 2 divisors, whose sum is σ = 1123533264. Its totient is φ = 1123533262.

The previous prime is 1123533253. The next prime is 1123533269. The reversal of 1123533263 is 3623353211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123533263 - 2¹⁶ = 1123467727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123533269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561766631 + 561766632.

It is an arithmetic number, because the mean of its divisors is an integer number (561766632).

Almost surely, 2^1123533263 is an apocalyptic number.

1123533263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123533263 is an equidigital number, since it uses as much as digits as its factorization.

1123533263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 1123533263 is about 33519.1477069451. The cubic root of 1123533263 is about 1039.5897244489.

Adding to 1123533263 its reverse (3623353211), we get a palindrome (4746886474).

The spelling of 1123533263 in words is "one billion, one hundred twenty-three million, five hundred thirty-three thousand, two hundred sixty-three".