233212417 has 2 divisors, whose sum is σ = 233212418. Its totient is φ = 233212416.

The previous prime is 233212391. The next prime is 233212423. The reversal of 233212417 is 714212332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152374336 + 80838081 = 12344^2 + 8991^2 .

It is a cyclic number.

It is not a de Polignac number, because 233212417 - 2¹⁵ = 233179649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233212391 and 233212400.

It is not a weakly prime, because it can be changed into another prime (233213417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116606208 + 116606209.

It is an arithmetic number, because the mean of its divisors is an integer number (116606209).

Almost surely, 2^233212417 is an apocalyptic number.

It is an amenable number.

233212417 is a deficient number, since it is larger than the sum of its proper divisors (1).

233212417 is an equidigital number, since it uses as much as digits as its factorization.

233212417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 233212417 is about 15271.2938875526. The cubic root of 233212417 is about 615.5318878889.

Adding to 233212417 its reverse (714212332), we get a palindrome (947424749).

The spelling of 233212417 in words is "two hundred thirty-three million, two hundred twelve thousand, four hundred seventeen".