223203120121023 has 32 divisors (see below), whose sum is σ = 342838205716992. Its totient is φ = 126527845737600.

The previous prime is 223203120121013. The next prime is 223203120121117. The reversal of 223203120121023 is 320121021302322.

It is not a de Polignac number, because 223203120121023 - 2⁵ = 223203120120991 is a prime.

It is a super-3 number, since 3×223203120121023³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223203120120984 and 223203120121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223203120121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58413288 + ... + 62116973.

It is an arithmetic number, because the mean of its divisors is an integer number (10713693928656).

Almost surely, 2^{223203120121023} is an apocalyptic number.

223203120121023 is a deficient number, since it is larger than the sum of its proper divisors (119635085595969).

223203120121023 is a wasteful number, since it uses less digits than its factorization.

223203120121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120530975.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 223203120121023 its reverse (320121021302322), we get a palindrome (543324141423345).

The spelling of 223203120121023 in words is "two hundred twenty-three trillion, two hundred three billion, one hundred twenty million, one hundred twenty-one thousand, twenty-three".