1123341144431 has 12 divisors (see below), whose sum is σ = 1246074845400. Its totient is φ = 1011850226640.

The previous prime is 1123341144391. The next prime is 1123341144437. The reversal of 1123341144431 is 1344411433211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1123341144431 is a prime.

It is a super-2 number, since 2×1123341144431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123341144437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42573101 + ... + 42599478.

It is an arithmetic number, because the mean of its divisors is an integer number (103839570450).

Almost surely, 2^{1123341144431} is an apocalyptic number.

1123341144431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123341144431 is a deficient number, since it is larger than the sum of its proper divisors (122733700969).

1123341144431 is a wasteful number, since it uses less digits than its factorization.

1123341144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85172710 (or 85172699 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

Adding to 1123341144431 its reverse (1344411433211), we get a palindrome (2467752577642).

The spelling of 1123341144431 in words is "one trillion, one hundred twenty-three billion, three hundred forty-one million, one hundred forty-four thousand, four hundred thirty-one".