233229121 has 2 divisors, whose sum is σ = 233229122. Its totient is φ = 233229120.

The previous prime is 233229109. The next prime is 233229127. The reversal of 233229121 is 121922332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123210000 + 110019121 = 11100^2 + 10489^2 .

It is a cyclic number.

It is not a de Polignac number, because 233229121 - 2⁹ = 233228609 is a prime.

It is not a weakly prime, because it can be changed into another prime (233229127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116614560 + 116614561.

It is an arithmetic number, because the mean of its divisors is an integer number (116614561).

Almost surely, 2^233229121 is an apocalyptic number.

It is an amenable number.

233229121 is a deficient number, since it is larger than the sum of its proper divisors (1).

233229121 is an equidigital number, since it uses as much as digits as its factorization.

233229121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 233229121 is about 15271.8407862314. The cubic root of 233229121 is about 615.5465835032.

The spelling of 233229121 in words is "two hundred thirty-three million, two hundred twenty-nine thousand, one hundred twenty-one".