11213346123 has 12 divisors (see below), whose sum is σ = 18510920688. Its totient is φ = 6407626320.

The previous prime is 11213346121. The next prime is 11213346139. The reversal of 11213346123 is 32164331211.

It is a happy number.

11213346123 is a `hidden beast` number, since 1 + 1 + 2 + 13 + 34 + 612 + 3 = 666.

11213346123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11213346123 - 2¹ = 11213346121 is a prime.

It is a super-2 number, since 2×11213346123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11213346121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88994748 + ... + 88994873.

It is an arithmetic number, because the mean of its divisors is an integer number (1542576724).

Almost surely, 2^11213346123 is an apocalyptic number.

11213346123 is a deficient number, since it is larger than the sum of its proper divisors (7297574565).

11213346123 is a wasteful number, since it uses less digits than its factorization.

11213346123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177989634 (or 177989631 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 11213346123 its reverse (32164331211), we get a palindrome (43377677334).

The spelling of 11213346123 in words is "eleven billion, two hundred thirteen million, three hundred forty-six thousand, one hundred twenty-three".