233260420021 has 2 divisors, whose sum is σ = 233260420022. Its totient is φ = 233260420020.

The previous prime is 233260419991. The next prime is 233260420037. The reversal of 233260420021 is 120024062332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181906515025 + 51353904996 = 426505^2 + 226614^2 .

It is a cyclic number.

It is not a de Polignac number, because 233260420021 - 2¹⁷ = 233260288949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233260420121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116630210010 + 116630210011.

It is an arithmetic number, because the mean of its divisors is an integer number (116630210011).

Almost surely, 2^233260420021 is an apocalyptic number.

It is an amenable number.

233260420021 is a deficient number, since it is larger than the sum of its proper divisors (1).

233260420021 is an equidigital number, since it uses as much as digits as its factorization.

233260420021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 233260420021 its reverse (120024062332), we get a palindrome (353284482353).

The spelling of 233260420021 in words is "two hundred thirty-three billion, two hundred sixty million, four hundred twenty thousand, twenty-one".