233201555243421 has 16 divisors (see below), whose sum is σ = 312637053820608. Its totient is φ = 154618335728000.

The previous prime is 233201555243309. The next prime is 233201555243429. The reversal of 233201555243421 is 124342555102332.

233201555243421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 233201555243421 - 2²¹ = 233201553146269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233201555243429) 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, 181314480 + ... + 182596121.

It is an arithmetic number, because the mean of its divisors is an integer number (19539815863788).

Almost surely, 2^{233201555243421} is an apocalyptic number.

It is an amenable number.

233201555243421 is a deficient number, since it is larger than the sum of its proper divisors (79435498577187).

233201555243421 is a wasteful number, since it uses less digits than its factorization.

233201555243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363911772.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 233201555243421 in words is "two hundred thirty-three trillion, two hundred one billion, five hundred fifty-five million, two hundred forty-three thousand, four hundred twenty-one".