233204421 has 8 divisors (see below), whose sum is σ = 315580384. Its totient is φ = 153149040.

The previous prime is 233204401. The next prime is 233204431. The reversal of 233204421 is 124402332.

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

It is a de Polignac number, because none of the positive numbers 2^k-233204421 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 (233204401) 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, 579910 + ... + 580311.

It is an arithmetic number, because the mean of its divisors is an integer number (39447548).

Almost surely, 2^233204421 is an apocalyptic number.

It is an amenable number.

233204421 is a deficient number, since it is larger than the sum of its proper divisors (82375963).

233204421 is a wasteful number, since it uses less digits than its factorization.

233204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160291.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 233204421 is about 15271.0320869285. The cubic root of 233204421 is about 615.5248530301.

Adding to 233204421 its reverse (124402332), we get a palindrome (357606753).

The spelling of 233204421 in words is "two hundred thirty-three million, two hundred four thousand, four hundred twenty-one".