233215121 has 8 divisors (see below), whose sum is σ = 235507584. Its totient is φ = 230932800.

The previous prime is 233215111. The next prime is 233215123. The reversal of 233215121 is 121512332.

233215121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 233215121 - 2¹⁴ = 233198737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233215093 and 233215102.

It is not an unprimeable number, because it can be changed into a prime (233215123) 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, 48596 + ... + 53178.

It is an arithmetic number, because the mean of its divisors is an integer number (29438448).

Almost surely, 2^233215121 is an apocalyptic number.

It is an amenable number.

233215121 is a deficient number, since it is larger than the sum of its proper divisors (2292463).

233215121 is a wasteful number, since it uses less digits than its factorization.

233215121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071.

The product of its digits is 360, while the sum is 20.

The square root of 233215121 is about 15271.3824194144. The cubic root of 233215121 is about 615.5342668242.

Adding to 233215121 its reverse (121512332), we get a palindrome (354727453).

The spelling of 233215121 in words is "two hundred thirty-three million, two hundred fifteen thousand, one hundred twenty-one".