223311131123 has 4 divisors (see below), whose sum is σ = 224369477928. Its totient is φ = 222252784320.

The previous prime is 223311131093. The next prime is 223311131221. The reversal of 223311131123 is 321131113322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321131113322 = 2 ⋅160565556661.

It is a cyclic number.

It is not a de Polignac number, because 223311131123 - 2¹⁴ = 223311114739 is a prime.

It is a super-2 number, since 2×223311131123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223311137123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529173086 + ... + 529173507.

It is an arithmetic number, because the mean of its divisors is an integer number (56092369482).

Almost surely, 2^223311131123 is an apocalyptic number.

223311131123 is a deficient number, since it is larger than the sum of its proper divisors (1058346805).

223311131123 is a wasteful number, since it uses less digits than its factorization.

223311131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058346804.

The product of its digits is 648, while the sum is 23.

Adding to 223311131123 its reverse (321131113322), we get a palindrome (544442244445).

The spelling of 223311131123 in words is "two hundred twenty-three billion, three hundred eleven million, one hundred thirty-one thousand, one hundred twenty-three".