223121023133 has 4 divisors (see below), whose sum is σ = 223233769440. Its totient is φ = 223008276828.

The previous prime is 223121023123. The next prime is 223121023183. The reversal of 223121023133 is 331320121322.

223121023133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223121023133 - 2⁸ = 223121022877 is a prime.

It is a super-3 number, since 3×223121023133³ (a number of 35 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 junction number, because it is equal to n+sod(n) for n = 223121023099 and 223121023108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223121023123) 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 3 ways as a sum of consecutive naturals, for example, 56370185 + ... + 56374142.

It is an arithmetic number, because the mean of its divisors is an integer number (55808442360).

Almost surely, 2^223121023133 is an apocalyptic number.

It is an amenable number.

223121023133 is a deficient number, since it is larger than the sum of its proper divisors (112746307).

223121023133 is a wasteful number, since it uses less digits than its factorization.

223121023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112746306.

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

Adding to 223121023133 its reverse (331320121322), we get a palindrome (554441144455).

The spelling of 223121023133 in words is "two hundred twenty-three billion, one hundred twenty-one million, twenty-three thousand, one hundred thirty-three".