1135523233 has 8 divisors (see below), whose sum is σ = 1223923176. Its totient is φ = 1047273600.

The previous prime is 1135523227. The next prime is 1135523281. The reversal of 1135523233 is 3323255311.

It can be written as a sum of positive squares in 4 ways, for example, as 459159184 + 676364049 = 21428^2 + 26007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1135523233 - 2¹³ = 1135515041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135523033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21628 + ... + 52333.

It is an arithmetic number, because the mean of its divisors is an integer number (152990397).

Almost surely, 2^1135523233 is an apocalyptic number.

1135523233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1135523233 is a deficient number, since it is larger than the sum of its proper divisors (88399943).

1135523233 is a wasteful number, since it uses less digits than its factorization.

1135523233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75155.

The product of its digits is 8100, while the sum is 28.

The square root of 1135523233 is about 33697.5256213272. The cubic root of 1135523233 is about 1043.2746980105.

Adding to 1135523233 its reverse (3323255311), we get a palindrome (4458778544).

The spelling of 1135523233 in words is "one billion, one hundred thirty-five million, five hundred twenty-three thousand, two hundred thirty-three".