233420633 has 2 divisors, whose sum is σ = 233420634. Its totient is φ = 233420632.

The previous prime is 233420581. The next prime is 233420657. The reversal of 233420633 is 336024332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224160784 + 9259849 = 14972^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 233420633 - 2¹⁸ = 233158489 is a prime.

It is not a weakly prime, because it can be changed into another prime (233480633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116710316 + 116710317.

It is an arithmetic number, because the mean of its divisors is an integer number (116710317).

Almost surely, 2^233420633 is an apocalyptic number.

It is an amenable number.

233420633 is a deficient number, since it is larger than the sum of its proper divisors (1).

233420633 is an equidigital number, since it uses as much as digits as its factorization.

233420633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 26.

The square root of 233420633 is about 15278.1096016490. The cubic root of 233420633 is about 615.7150191674.

Adding to 233420633 its reverse (336024332), we get a palindrome (569444965).

The spelling of 233420633 in words is "two hundred thirty-three million, four hundred twenty thousand, six hundred thirty-three".