213342043 has 8 divisors (see below), whose sum is σ = 223908768. Its totient is φ = 202882944.

The previous prime is 213342029. The next prime is 213342083. The reversal of 213342043 is 340243312.

It is a happy number.

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 213342043 - 2¹⁷ = 213210971 is a prime.

It is a super-2 number, since 2×213342043² = 91029654622827698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213342083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22830 + ... + 30787.

It is an arithmetic number, because the mean of its divisors is an integer number (27988596).

Almost surely, 2^213342043 is an apocalyptic number.

213342043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213342043 is a deficient number, since it is larger than the sum of its proper divisors (10566725).

213342043 is a wasteful number, since it uses less digits than its factorization.

213342043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53813.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 213342043 is about 14606.2330188177. The cubic root of 213342043 is about 597.5287643348.

Adding to 213342043 its reverse (340243312), we get a palindrome (553585355).

The spelling of 213342043 in words is "two hundred thirteen million, three hundred forty-two thousand, forty-three".