232312320221 has 16 divisors (see below), whose sum is σ = 238670452800. Its totient is φ = 226044432768.

The previous prime is 232312320197. The next prime is 232312320259. The reversal of 232312320221 is 122023213232.

It is not a de Polignac number, because 232312320221 - 2¹⁴ = 232312303837 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 (232312325221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6021290 + ... + 6059748.

It is an arithmetic number, because the mean of its divisors is an integer number (14916903300).

Almost surely, 2^232312320221 is an apocalyptic number.

It is an amenable number.

232312320221 is a deficient number, since it is larger than the sum of its proper divisors (6358132579).

232312320221 is a wasteful number, since it uses less digits than its factorization.

232312320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39628.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 232312320221 its reverse (122023213232), we get a palindrome (354335533453).

The spelling of 232312320221 in words is "two hundred thirty-two billion, three hundred twelve million, three hundred twenty thousand, two hundred twenty-one".