1123331243243 has 12 divisors (see below), whose sum is σ = 1263450791064. Its totient is φ = 997461141600.

The previous prime is 1123331243239. The next prime is 1123331243401. The reversal of 1123331243243 is 3423421333211.

It is not a de Polignac number, because 1123331243243 - 2² = 1123331243239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123331243143) 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, 107945138 + ... + 107955543.

It is an arithmetic number, because the mean of its divisors is an integer number (105287565922).

Almost surely, 2^{1123331243243} is an apocalyptic number.

1123331243243 is a deficient number, since it is larger than the sum of its proper divisors (140119547821).

1123331243243 is a wasteful number, since it uses less digits than its factorization.

1123331243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215900746 (or 215900735 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

Adding to 1123331243243 its reverse (3423421333211), we get a palindrome (4546752576454).

The spelling of 1123331243243 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred forty-three thousand, two hundred forty-three".