223123231113 has 4 divisors (see below), whose sum is σ = 297497641488. Its totient is φ = 148748820740.

The previous prime is 223123231087. The next prime is 223123231141. The reversal of 223123231113 is 311132321322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223123231113 - 2⁹ = 223123230601 is a prime.

It is a super-4 number, since 4×223123231113⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223123231313) 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, 37187205183 + ... + 37187205188.

It is an arithmetic number, because the mean of its divisors is an integer number (74374410372).

Almost surely, 2^223123231113 is an apocalyptic number.

It is an amenable number.

223123231113 is a deficient number, since it is larger than the sum of its proper divisors (74374410375).

223123231113 is an equidigital number, since it uses as much as digits as its factorization.

223123231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74374410374.

The product of its digits is 1296, while the sum is 24.

Adding to 223123231113 its reverse (311132321322), we get a palindrome (534255552435).

The spelling of 223123231113 in words is "two hundred twenty-three billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirteen".