1123344101 has 16 divisors (see below), whose sum is σ = 1243988928. Its totient is φ = 1005897600.

The previous prime is 1123344091. The next prime is 1123344107. The reversal of 1123344101 is 1014433211.

It is a cyclic number.

It is not a de Polignac number, because 1123344101 - 2¹⁸ = 1123081957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123344107) 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, 210401 + ... + 215673.

It is an arithmetic number, because the mean of its divisors is an integer number (77749308).

Almost surely, 2^1123344101 is an apocalyptic number.

1123344101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123344101 is a deficient number, since it is larger than the sum of its proper divisors (120644827).

1123344101 is a wasteful number, since it uses less digits than its factorization.

1123344101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1123344101 is about 33516.3258875432. The cubic root of 1123344101 is about 1039.5313781838.

Adding to 1123344101 its reverse (1014433211), we get a palindrome (2137777312).

The spelling of 1123344101 in words is "one billion, one hundred twenty-three million, three hundred forty-four thousand, one hundred one".