213330023 has 2 divisors, whose sum is σ = 213330024. Its totient is φ = 213330022.

The previous prime is 213329983. The next prime is 213330031. The reversal of 213330023 is 320033312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213330023 - 2⁶ = 213329959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213329983 and 213330010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213330823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665011 + 106665012.

It is an arithmetic number, because the mean of its divisors is an integer number (106665012).

Almost surely, 2^213330023 is an apocalyptic number.

213330023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213330023 is an equidigital number, since it uses as much as digits as its factorization.

213330023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 213330023 is about 14605.8215448498. The cubic root of 213330023 is about 597.5175422451.

Adding to 213330023 its reverse (320033312), we get a palindrome (533363335).

The spelling of 213330023 in words is "two hundred thirteen million, three hundred thirty thousand, twenty-three".