233205242240421 has 48 divisors (see below), whose sum is σ = 379331710697472. Its totient is φ = 136776275287200.

The previous prime is 233205242240387. The next prime is 233205242240459. The reversal of 233205242240421 is 124042242502332.

233205242240421 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 0 + 5 + 2 + 4 + 224 + 0 + 421 = 666.

It is not a de Polignac number, because 233205242240421 - 2⁷ = 233205242240293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233205242240491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 818860176 + ... + 819144918.

It is an arithmetic number, because the mean of its divisors is an integer number (7902743972864).

Almost surely, 2^{233205242240421} is an apocalyptic number.

It is an amenable number.

233205242240421 is a deficient number, since it is larger than the sum of its proper divisors (146126468457051).

233205242240421 is a wasteful number, since it uses less digits than its factorization.

233205242240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551654 (or 551651 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 233205242240421 its reverse (124042242502332), we get a palindrome (357247484742753).

The spelling of 233205242240421 in words is "two hundred thirty-three trillion, two hundred five billion, two hundred forty-two million, two hundred forty thousand, four hundred twenty-one".