232042243221 has 24 divisors (see below), whose sum is σ = 340209394304. Its totient is φ = 152370408960.

The previous prime is 232042243219. The next prime is 232042243247. The reversal of 232042243221 is 122342240232.

232042243221 is a `hidden beast` number, since 2 + 3 + 204 + 2 + 2 + 432 + 21 = 666.

It is not a de Polignac number, because 232042243221 - 2¹ = 232042243219 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 (232042243021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11499381 + ... + 11519541.

Almost surely, 2^232042243221 is an apocalyptic number.

It is an amenable number.

232042243221 is a deficient number, since it is larger than the sum of its proper divisors (108167151083).

232042243221 is a wasteful number, since it uses less digits than its factorization.

232042243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39321 (or 39318 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 232042243221 its reverse (122342240232), we get a palindrome (354384483453).

The spelling of 232042243221 in words is "two hundred thirty-two billion, forty-two million, two hundred forty-three thousand, two hundred twenty-one".