1123223231011 has 8 divisors (see below), whose sum is σ = 1283731835904. Its totient is φ = 962726661960.

The previous prime is 1123223230967. The next prime is 1123223231029. The reversal of 1123223231011 is 1101323223211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123223231011 - 2⁹ = 1123223230499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123223231041) 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, 2808085 + ... + 3183046.

It is an arithmetic number, because the mean of its divisors is an integer number (160466479488).

Almost surely, 2^{1123223231011} is an apocalyptic number.

1123223231011 is a deficient number, since it is larger than the sum of its proper divisors (160508604893).

1123223231011 is an equidigital number, since it uses as much as digits as its factorization.

1123223231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017921.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1123223231011 its reverse (1101323223211), we get a palindrome (2224546454222).

The spelling of 1123223231011 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, eleven".