213323053 has 2 divisors, whose sum is σ = 213323054. Its totient is φ = 213323052.

The previous prime is 213323029. The next prime is 213323057. The reversal of 213323053 is 350323312.

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., 131836324 + 81486729 = 11482^2 + 9027^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323053 - 2¹⁷ = 213191981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213323057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661526 + 106661527.

It is an arithmetic number, because the mean of its divisors is an integer number (106661527).

Almost surely, 2^213323053 is an apocalyptic number.

It is an amenable number.

213323053 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323053 is an equidigital number, since it uses as much as digits as its factorization.

213323053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 213323053 is about 14605.5829394105. The cubic root of 213323053 is about 597.5110347337.

Adding to 213323053 its reverse (350323312), we get a palindrome (563646365).

The spelling of 213323053 in words is "two hundred thirteen million, three hundred twenty-three thousand, fifty-three".