223231303113121 has 4 divisors (see below), whose sum is σ = 223231332994992. Its totient is φ = 223231273231252.

The previous prime is 223231303113109. The next prime is 223231303113131. The reversal of 223231303113121 is 121311303132322.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223231303113121 - 2⁴⁷ = 82493814757793 is a prime.

It is a super-3 number, since 3×223231303113121³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223231303113121.

It is not an unprimeable number, because it can be changed into a prime (223231303113131) 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, 7447446 + ... + 22403728.

It is an arithmetic number, because the mean of its divisors is an integer number (55807833248748).

Almost surely, 2^{223231303113121} is an apocalyptic number.

It is an amenable number.

223231303113121 is a deficient number, since it is larger than the sum of its proper divisors (29881871).

223231303113121 is a wasteful number, since it uses less digits than its factorization.

223231303113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29881870.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 223231303113121 its reverse (121311303132322), we get a palindrome (344542606245443).

The spelling of 223231303113121 in words is "two hundred twenty-three trillion, two hundred thirty-one billion, three hundred three million, one hundred thirteen thousand, one hundred twenty-one".