1121131323 has 12 divisors (see below), whose sum is σ = 1743982240. Its totient is φ = 689926896.

The previous prime is 1121131321. The next prime is 1121131331. The reversal of 1121131323 is 3231311211.

It is not a de Polignac number, because 1121131323 - 2¹ = 1121131321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121131296 and 1121131305.

It is not an unprimeable number, because it can be changed into a prime (1121131321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4791043 + ... + 4791276.

Almost surely, 2^1121131323 is an apocalyptic number.

1121131323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121131323 is a deficient number, since it is larger than the sum of its proper divisors (622850917).

1121131323 is a wasteful number, since it uses less digits than its factorization.

1121131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582338 (or 9582335 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1121131323 is about 33483.2991654048. The cubic root of 1121131323 is about 1038.8483686552.

Adding to 1121131323 its reverse (3231311211), we get a palindrome (4352442534).

The spelling of 1121131323 in words is "one billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-three".