210023201 has 2 divisors, whose sum is σ = 210023202. Its totient is φ = 210023200.

The previous prime is 210023173. The next prime is 210023221. The reversal of 210023201 is 102320012.

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., 163456225 + 46566976 = 12785^2 + 6824^2 .

It is a cyclic number.

It is not a de Polignac number, because 210023201 - 2¹⁴ = 210006817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011600 + 105011601.

It is an arithmetic number, because the mean of its divisors is an integer number (105011601).

Almost surely, 2^210023201 is an apocalyptic number.

It is an amenable number.

210023201 is a deficient number, since it is larger than the sum of its proper divisors (1).

210023201 is an equidigital number, since it uses as much as digits as its factorization.

210023201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 210023201 is about 14492.1772346325. The cubic root of 210023201 is about 594.4140841422.

Adding to 210023201 its reverse (102320012), we get a palindrome (312343213).

The spelling of 210023201 in words is "two hundred ten million, twenty-three thousand, two hundred one".