11123234343 has 24 divisors (see below), whose sum is σ = 17481206288. Its totient is φ = 6774492672.

The previous prime is 11123234321. The next prime is 11123234389. The reversal of 11123234343 is 34343232111.

It is a happy number.

It is not a de Polignac number, because 11123234343 - 2¹³ = 11123226151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123234303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478705 + ... + 501402.

Almost surely, 2^11123234343 is an apocalyptic number.

11123234343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11123234343 is a deficient number, since it is larger than the sum of its proper divisors (6357971945).

11123234343 is a wasteful number, since it uses less digits than its factorization.

11123234343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980223 (or 980220 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 11123234343 its reverse (34343232111), we get a palindrome (45466466454).

The spelling of 11123234343 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-four thousand, three hundred forty-three".