232523345221 has 4 divisors (see below), whose sum is σ = 235324831392. Its totient is φ = 229721859052.

The previous prime is 232523345123. The next prime is 232523345279. The reversal of 232523345221 is 122543325232.

232523345221 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 a de Polignac number, because none of the positive numbers 2^k-232523345221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232523345921) 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, 1400742961 + ... + 1400743126.

It is an arithmetic number, because the mean of its divisors is an integer number (58831207848).

Almost surely, 2^232523345221 is an apocalyptic number.

It is an amenable number.

232523345221 is a deficient number, since it is larger than the sum of its proper divisors (2801486171).

232523345221 is an equidigital number, since it uses as much as digits as its factorization.

232523345221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801486170.

The product of its digits is 86400, while the sum is 34.

The spelling of 232523345221 in words is "two hundred thirty-two billion, five hundred twenty-three million, three hundred forty-five thousand, two hundred twenty-one".