223123321013 has 8 divisors (see below), whose sum is σ = 224871177888. Its totient is φ = 221382174544.

The previous prime is 223123320983. The next prime is 223123321033. The reversal of 223123321013 is 310123321322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223123321013 - 2⁶ = 223123320949 is a prime.

It is a super-3 number, since 3×223123321013³ (a number of 35 digits) contains 333 as substring.

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 223123321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123321033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610831 + ... + 1743852.

It is an arithmetic number, because the mean of its divisors is an integer number (28108897236).

Almost surely, 2^223123321013 is an apocalyptic number.

It is an amenable number.

223123321013 is a deficient number, since it is larger than the sum of its proper divisors (1747856875).

223123321013 is a wasteful number, since it uses less digits than its factorization.

223123321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355203.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223123321013 its reverse (310123321322), we get a palindrome (533246642335).

The spelling of 223123321013 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred twenty-one thousand, thirteen".