213022423 has 8 divisors (see below), whose sum is σ = 217336608. Its totient is φ = 208719264.

The previous prime is 213022363. The next prime is 213022451. The reversal of 213022423 is 324220312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213022423 - 2⁹ = 213021911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213022423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022493) 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 in 7 ways as a sum of consecutive naturals, for example, 44190 + ... + 48772.

It is an arithmetic number, because the mean of its divisors is an integer number (27167076).

Almost surely, 2^213022423 is an apocalyptic number.

213022423 is a deficient number, since it is larger than the sum of its proper divisors (4314185).

213022423 is an equidigital number, since it uses as much as digits as its factorization.

213022423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 213022423 is about 14595.2876984320. The cubic root of 213022423 is about 597.2302177783.

Adding to 213022423 its reverse (324220312), we get a palindrome (537242735).

The spelling of 213022423 in words is "two hundred thirteen million, twenty-two thousand, four hundred twenty-three".