1123344111 has 4 divisors (see below), whose sum is σ = 1497792152. Its totient is φ = 748896072.

The previous prime is 1123344109. The next prime is 1123344113. The reversal of 1123344111 is 1114433211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1114433211 = 3 ⋅371477737.

It is an interprime number because it is at equal distance from previous prime (1123344109) and next prime (1123344113).

It is not a de Polignac number, because 1123344111 - 2¹ = 1123344109 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 (1123344113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187224016 + ... + 187224021.

It is an arithmetic number, because the mean of its divisors is an integer number (374448038).

Almost surely, 2^1123344111 is an apocalyptic number.

1123344111 is a deficient number, since it is larger than the sum of its proper divisors (374448041).

1123344111 is an equidigital number, since it uses as much as digits as its factorization.

1123344111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374448040.

The product of its digits is 288, while the sum is 21.

The square root of 1123344111 is about 33516.3260367243. The cubic root of 1123344111 is about 1039.5313812685.

Adding to 1123344111 its reverse (1114433211), we get a palindrome (2237777322).

The spelling of 1123344111 in words is "one billion, one hundred twenty-three million, three hundred forty-four thousand, one hundred eleven".