233126021 has 2 divisors, whose sum is σ = 233126022. Its totient is φ = 233126020.

The previous prime is 233125993. The next prime is 233126059. The reversal of 233126021 is 120621332.

It is a happy number.

233126021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189750625 + 43375396 = 13775^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 233126021 - 2¹⁴ = 233109637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233125984 and 233126002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233126071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116563010 + 116563011.

It is an arithmetic number, because the mean of its divisors is an integer number (116563011).

Almost surely, 2^233126021 is an apocalyptic number.

It is an amenable number.

233126021 is a deficient number, since it is larger than the sum of its proper divisors (1).

233126021 is an equidigital number, since it uses as much as digits as its factorization.

233126021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 233126021 is about 15268.4649195654. The cubic root of 233126021 is about 615.4558684070.

Adding to 233126021 its reverse (120621332), we get a palindrome (353747353).

The spelling of 233126021 in words is "two hundred thirty-three million, one hundred twenty-six thousand, twenty-one".