11232321123 has 8 divisors (see below), whose sum is σ = 14977061136. Its totient is φ = 7487897600.

The previous prime is 11232321059. The next prime is 11232321161. The reversal of 11232321123 is 32112323211.

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 11232321123 - 2⁶ = 11232321059 is a prime.

It is a super-2 number, since 2×11232321123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11232321123.

It is not an unprimeable number, because it can be changed into a prime (11232325123) 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, 22243 + ... + 151523.

It is an arithmetic number, because the mean of its divisors is an integer number (1872132642).

Almost surely, 2^11232321123 is an apocalyptic number.

11232321123 is a deficient number, since it is larger than the sum of its proper divisors (3744740013).

11232321123 is a wasteful number, since it uses less digits than its factorization.

11232321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158245.

The product of its digits is 432, while the sum is 21.

Adding to 11232321123 its reverse (32112323211), we get a palindrome (43344644334).

The spelling of 11232321123 in words is "eleven billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-three".