1153533323 has 4 divisors (see below), whose sum is σ = 1154002248. Its totient is φ = 1153064400.

The previous prime is 1153533307. The next prime is 1153533341. The reversal of 1153533323 is 3233353511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3233353511 = 193 ⋅16753127.

It is a cyclic number.

It is not a de Polignac number, because 1153533323 - 2⁴ = 1153533307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153539323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230753 + ... + 235698.

It is an arithmetic number, because the mean of its divisors is an integer number (288500562).

Almost surely, 2^1153533323 is an apocalyptic number.

1153533323 is a deficient number, since it is larger than the sum of its proper divisors (468925).

1153533323 is an equidigital number, since it uses as much as digits as its factorization.

1153533323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468924.

The product of its digits is 12150, while the sum is 29.

The square root of 1153533323 is about 33963.7059668111. The cubic root of 1153533323 is about 1048.7614490623.

Adding to 1153533323 its reverse (3233353511), we get a palindrome (4386886834).

The spelling of 1153533323 in words is "one billion, one hundred fifty-three million, five hundred thirty-three thousand, three hundred twenty-three".