223133129 has 4 divisors (see below), whose sum is σ = 223253760. Its totient is φ = 223012500.

The previous prime is 223133117. The next prime is 223133147. The reversal of 223133129 is 921331322.

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 223133129 - 2²⁰ = 222084553 is a prime.

It is a super-3 number, since 3×223133129³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223133098 and 223133107.

It is not an unprimeable number, because it can be changed into a prime (223133179) 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, 57497 + ... + 61254.

It is an arithmetic number, because the mean of its divisors is an integer number (55813440).

Almost surely, 2^223133129 is an apocalyptic number.

It is an amenable number.

223133129 is a deficient number, since it is larger than the sum of its proper divisors (120631).

223133129 is a wasteful number, since it uses less digits than its factorization.

223133129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120630.

The product of its digits is 1944, while the sum is 26.

The square root of 223133129 is about 14937.6413466116. The cubic root of 223133129 is about 606.5333497591.

The spelling of 223133129 in words is "two hundred twenty-three million, one hundred thirty-three thousand, one hundred twenty-nine".