11223030123 has 12 divisors (see below), whose sum is σ = 16212904240. Its totient is φ = 7481161296.

The previous prime is 11223030121. The next prime is 11223030139. The reversal of 11223030123 is 32103032211.

11223030123 is a `hidden beast` number, since 112 + 230 + 301 + 23 = 666.

It is not a de Polignac number, because 11223030123 - 2¹ = 11223030121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11223030096 and 11223030105.

It is not an unprimeable number, because it can be changed into a prime (11223030121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16965 + ... + 150777.

Almost surely, 2^11223030123 is an apocalyptic number.

11223030123 is a deficient number, since it is larger than the sum of its proper divisors (4989874117).

11223030123 is a wasteful number, since it uses less digits than its factorization.

11223030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143138 (or 143135 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11223030123 its reverse (32103032211), we get a palindrome (43326062334).

The spelling of 11223030123 in words is "eleven billion, two hundred twenty-three million, thirty thousand, one hundred twenty-three".