233214021 has 12 divisors (see below), whose sum is σ = 336998272. Its totient is φ = 155414376.

The previous prime is 233214001. The next prime is 233214067. The reversal of 233214021 is 120412332.

It is not a de Polignac number, because 233214021 - 2⁶ = 233213957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233213985 and 233214003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233214001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37110 + ... + 42936.

Almost surely, 2^233214021 is an apocalyptic number.

It is an amenable number.

233214021 is a deficient number, since it is larger than the sum of its proper divisors (103784251).

233214021 is a wasteful number, since it uses less digits than its factorization.

233214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10280 (or 10277 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 233214021 is about 15271.3464042959. The cubic root of 233214021 is about 615.5332990643.

Adding to 233214021 its reverse (120412332), we get a palindrome (353626353).

The spelling of 233214021 in words is "two hundred thirty-three million, two hundred fourteen thousand, twenty-one".