232121323 has 8 divisors (see below), whose sum is σ = 267630048. Its totient is φ = 197199744.

The previous prime is 232121321. The next prime is 232121371. The reversal of 232121323 is 323121232.

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

It is not a de Polignac number, because 232121323 - 2¹ = 232121321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232121323.

It is not an unprimeable number, because it can be changed into a prime (232121321) 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 7 ways as a sum of consecutive naturals, for example, 145936 + ... + 147517.

It is an arithmetic number, because the mean of its divisors is an integer number (33453756).

Almost surely, 2^232121323 is an apocalyptic number.

232121323 is a deficient number, since it is larger than the sum of its proper divisors (35508725).

232121323 is a wasteful number, since it uses less digits than its factorization.

232121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293573.

The product of its digits is 432, while the sum is 19.

The square root of 232121323 is about 15235.5283137803. The cubic root of 232121323 is about 614.5704564414.

Adding to 232121323 its reverse (323121232), we get a palindrome (555242555).

Subtracting 232121323 from its reverse (323121232), we obtain a palindrome (90999909).

The spelling of 232121323 in words is "two hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-three".