233033121 has 6 divisors (see below), whose sum is σ = 336603410. Its totient is φ = 155355408.

The previous prime is 233033117. The next prime is 233033123. The reversal of 233033121 is 121330332.

233033121 is a `hidden beast` number, since 2 + 330 + 331 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 232715025 + 318096 = 15255^2 + 564^2 .

It is not a de Polignac number, because 233033121 - 2² = 233033117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233033094 and 233033103.

It is not an unprimeable number, because it can be changed into a prime (233033123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12946276 + ... + 12946293.

Almost surely, 2^233033121 is an apocalyptic number.

It is an amenable number.

233033121 is a deficient number, since it is larger than the sum of its proper divisors (103570289).

233033121 is a wasteful number, since it uses less digits than its factorization.

233033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25892575 (or 25892572 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 233033121 is about 15265.4223983485. The cubic root of 233033121 is about 615.3741051238.

Adding to 233033121 its reverse (121330332), we get a palindrome (354363453).

The spelling of 233033121 in words is "two hundred thirty-three million, thirty-three thousand, one hundred twenty-one".