213233323 has 2 divisors, whose sum is σ = 213233324. Its totient is φ = 213233322.

The previous prime is 213233303. The next prime is 213233327. The reversal of 213233323 is 323332312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213233323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213233294 and 213233303.

It is not a weakly prime, because it can be changed into another prime (213233327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616661 + 106616662.

It is an arithmetic number, because the mean of its divisors is an integer number (106616662).

Almost surely, 2^213233323 is an apocalyptic number.

213233323 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233323 is an equidigital number, since it uses as much as digits as its factorization.

213233323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 22.

The square root of 213233323 is about 14602.5108457416. The cubic root of 213233323 is about 597.4272460332.

Adding to 213233323 its reverse (323332312), we get a palindrome (536565635).

The spelling of 213233323 in words is "two hundred thirteen million, two hundred thirty-three thousand, three hundred twenty-three".