11123120113123 has 8 divisors (see below), whose sum is σ = 11203396953840. Its totient is φ = 11042846906880.

The previous prime is 11123120113117. The next prime is 11123120113141. The reversal of 11123120113123 is 32131102132111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123120113123 is a prime.

It is a super-2 number, since 2×11123120113123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123120113094 and 11123120113103.

It is not an unprimeable number, because it can be changed into a prime (11123120113153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391411 + ... + 7163347.

It is an arithmetic number, because the mean of its divisors is an integer number (1400424619230).

Almost surely, 2^{11123120113123} is an apocalyptic number.

11123120113123 is a deficient number, since it is larger than the sum of its proper divisors (80276840717).

11123120113123 is a wasteful number, since it uses less digits than its factorization.

11123120113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817237.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11123120113123 its reverse (32131102132111), we get a palindrome (43254222245234).

The spelling of 11123120113123 in words is "eleven trillion, one hundred twenty-three billion, one hundred twenty million, one hundred thirteen thousand, one hundred twenty-three".