233442033421 has 8 divisors (see below), whose sum is σ = 244385152704. Its totient is φ = 222565036320.

The previous prime is 233442033413. The next prime is 233442033431. The reversal of 233442033421 is 124330244332.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233442033421 - 2³ = 233442033413 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 (233442033431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16523320 + ... + 16537441.

It is an arithmetic number, because the mean of its divisors is an integer number (30548144088).

Almost surely, 2^233442033421 is an apocalyptic number.

It is an amenable number.

233442033421 is a deficient number, since it is larger than the sum of its proper divisors (10943119283).

233442033421 is a wasteful number, since it uses less digits than its factorization.

233442033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33061091.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 233442033421 its reverse (124330244332), we get a palindrome (357772277753).

The spelling of 233442033421 in words is "two hundred thirty-three billion, four hundred forty-two million, thirty-three thousand, four hundred twenty-one".