232121223 has 12 divisors (see below), whose sum is σ = 340009488. Its totient is φ = 152567520.

The previous prime is 232121177. The next prime is 232121231. The reversal of 232121223 is 322121232.

It is not a de Polignac number, because 232121223 - 2⁶ = 232121159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232121196 and 232121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180990 + ... + 182267.

It is an arithmetic number, because the mean of its divisors is an integer number (28334124).

Almost surely, 2^232121223 is an apocalyptic number.

232121223 is a deficient number, since it is larger than the sum of its proper divisors (107888265).

232121223 is a wasteful number, since it uses less digits than its factorization.

232121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363334 (or 363331 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 232121223 is about 15235.5250319771. The cubic root of 232121223 is about 614.5703681872.

Adding to 232121223 its reverse (322121232), we get a palindrome (554242455).

Subtracting 232121223 from its reverse (322121232), we obtain a palindrome (90000009).

The spelling of 232121223 in words is "two hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".