213423341 has 4 divisors (see below), whose sum is σ = 216608832. Its totient is φ = 210237852.

The previous prime is 213423307. The next prime is 213423347. The reversal of 213423341 is 143324312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213423341 - 2⁶ = 213423277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213423347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592645 + ... + 1592778.

It is an arithmetic number, because the mean of its divisors is an integer number (54152208).

Almost surely, 2^213423341 is an apocalyptic number.

It is an amenable number.

213423341 is a deficient number, since it is larger than the sum of its proper divisors (3185491).

213423341 is an equidigital number, since it uses as much as digits as its factorization.

213423341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185490.

The product of its digits is 1728, while the sum is 23.

The square root of 213423341 is about 14609.0157437111. The cubic root of 213423341 is about 597.6046545556.

Adding to 213423341 its reverse (143324312), we get a palindrome (356747653).

The spelling of 213423341 in words is "two hundred thirteen million, four hundred twenty-three thousand, three hundred forty-one".