1123443234111 has 16 divisors (see below), whose sum is σ = 1720104474240. Its totient is φ = 645039177120.

The previous prime is 1123443234101. The next prime is 1123443234197. The reversal of 1123443234111 is 1114323443211.

It is not a de Polignac number, because 1123443234111 - 2¹⁸ = 1123442971967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123443234101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895887120 + ... + 895888373.

It is an arithmetic number, because the mean of its divisors is an integer number (107506529640).

Almost surely, 2^{1123443234111} is an apocalyptic number.

1123443234111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123443234111 is a deficient number, since it is larger than the sum of its proper divisors (596661240129).

1123443234111 is a wasteful number, since it uses less digits than its factorization.

1123443234111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791775526.

The product of its digits is 6912, while the sum is 30.

Adding to 1123443234111 its reverse (1114323443211), we get a palindrome (2237766677322).

The spelling of 1123443234111 in words is "one trillion, one hundred twenty-three billion, four hundred forty-three million, two hundred thirty-four thousand, one hundred eleven".