1123232123 has 8 divisors (see below), whose sum is σ = 1213454928. Its totient is φ = 1033555104.

The previous prime is 1123232107. The next prime is 1123232129. The reversal of 1123232123 is 3212323211.

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 1123232123 - 2⁴ = 1123232107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123232095 and 1123232104.

It is not an unprimeable number, because it can be changed into a prime (1123232129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132161 + ... + 140402.

It is an arithmetic number, because the mean of its divisors is an integer number (151681866).

Almost surely, 2^1123232123 is an apocalyptic number.

1123232123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123232123 is a deficient number, since it is larger than the sum of its proper divisors (90222805).

1123232123 is a wasteful number, since it uses less digits than its factorization.

1123232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272893.

The product of its digits is 432, while the sum is 20.

The square root of 1123232123 is about 33514.6553465794. The cubic root of 1123232123 is about 1039.4968359296.

Adding to 1123232123 its reverse (3212323211), we get a palindrome (4335555334).

The spelling of 1123232123 in words is "one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-three".