232122402191 has 4 divisors (see below), whose sum is σ = 233404846584. Its totient is φ = 230839957800.

The previous prime is 232122402173. The next prime is 232122402199. The reversal of 232122402191 is 191204221232.

It is a happy number.

232122402191 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232122402191 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 (232122402199) 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, 641221925 + ... + 641222286.

It is an arithmetic number, because the mean of its divisors is an integer number (58351211646).

Almost surely, 2^232122402191 is an apocalyptic number.

232122402191 is a deficient number, since it is larger than the sum of its proper divisors (1282444393).

232122402191 is a wasteful number, since it uses less digits than its factorization.

232122402191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282444392.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 232122402191 in words is "two hundred thirty-two billion, one hundred twenty-two million, four hundred two thousand, one hundred ninety-one".