213412043 has 4 divisors (see below), whose sum is σ = 229828368. Its totient is φ = 196995720.

The previous prime is 213412039. The next prime is 213412049. The reversal of 213412043 is 340214312.

213412043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213412043 - 2² = 213412039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213412049) 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, 8208143 + ... + 8208168.

It is an arithmetic number, because the mean of its divisors is an integer number (57457092).

Almost surely, 2^213412043 is an apocalyptic number.

213412043 is a deficient number, since it is larger than the sum of its proper divisors (16416325).

213412043 is a wasteful number, since it uses less digits than its factorization.

213412043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416324.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213412043 is about 14608.6290595661. The cubic root of 213412043 is about 597.5941092290.

Adding to 213412043 its reverse (340214312), we get a palindrome (553626355).

The spelling of 213412043 in words is "two hundred thirteen million, four hundred twelve thousand, forty-three".