11333123220123 has 28 divisors (see below), whose sum is σ = 16994779334280. Its totient is φ = 7554140424576.

The previous prime is 11333123220121. The next prime is 11333123220137. The reversal of 11333123220123 is 32102232133311.

11333123220123 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 312 + 3 + 220 + 123 = 666.

It is not a de Polignac number, because 11333123220123 - 2¹ = 11333123220121 is a prime.

It is a super-2 number, since 2×11333123220123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11333123220121) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3020715 + ... + 5638347.

Almost surely, 2^{11333123220123} is an apocalyptic number.

11333123220123 is a deficient number, since it is larger than the sum of its proper divisors (5661656114157).

11333123220123 is an frugal number, since it uses more digits than its factorization.

11333123220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623590 (or 2623575 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11333123220123 its reverse (32102232133311), we get a palindrome (43435355353434).

The spelling of 11333123220123 in words is "eleven trillion, three hundred thirty-three billion, one hundred twenty-three million, two hundred twenty thousand, one hundred twenty-three".