11133311023 has 4 divisors (see below), whose sum is σ = 11617368048. Its totient is φ = 10649254000.

The previous prime is 11133310997. The next prime is 11133311039. The reversal of 11133311023 is 32011333111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32011333111 = 58451 ⋅547661.

It is a cyclic number.

It is not a de Polignac number, because 11133311023 - 2²⁹ = 10596440111 is a prime.

It is a super-2 number, since 2×11133311023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133311053) 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, 242028478 + ... + 242028523.

It is an arithmetic number, because the mean of its divisors is an integer number (2904342012).

Almost surely, 2^11133311023 is an apocalyptic number.

11133311023 is a deficient number, since it is larger than the sum of its proper divisors (484057025).

11133311023 is an equidigital number, since it uses as much as digits as its factorization.

11133311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484057024.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11133311023 its reverse (32011333111), we get a palindrome (43144644134).

The spelling of 11133311023 in words is "eleven billion, one hundred thirty-three million, three hundred eleven thousand, twenty-three".