11123323043408 has 80 divisors (see below), whose sum is σ = 22318364485632. Its totient is φ = 5364921600000.

The previous prime is 11123323043401. The next prime is 11123323043431. The reversal of 11123323043408 is 80434032332111.

It is a super-2 number, since 2×11123323043408² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123323043401) 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, 283009358 + ... + 283048658.

Almost surely, 2^{11123323043408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123323043408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11159182242816).

11123323043408 is an abundant number, since it is smaller than the sum of its proper divisors (11195041442224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123323043408 is a wasteful number, since it uses less digits than its factorization.

11123323043408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41164 (or 41158 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 11123323043408 its reverse (80434032332111), we get a palindrome (91557355375519).

The spelling of 11123323043408 in words is "eleven trillion, one hundred twenty-three billion, three hundred twenty-three million, forty-three thousand, four hundred eight".