231133102221223 has 4 divisors (see below), whose sum is σ = 236770494958368. Its totient is φ = 225495709484080.

The previous prime is 231133102221209. The next prime is 231133102221283. The reversal of 231133102221223 is 322122201331132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231133102221223 - 2³⁷ = 230995663267751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231133102221191 and 231133102221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231133102221283) 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, 2818696368511 + ... + 2818696368592.

It is an arithmetic number, because the mean of its divisors is an integer number (59192623739592).

Almost surely, 2^{231133102221223} is an apocalyptic number.

231133102221223 is a deficient number, since it is larger than the sum of its proper divisors (5637392737145).

231133102221223 is an equidigital number, since it uses as much as digits as its factorization.

231133102221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637392737144.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231133102221223 its reverse (322122201331132), we get a palindrome (553255303552355).

The spelling of 231133102221223 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-three".