213235543 has 8 divisors (see below), whose sum is σ = 215778960. Its totient is φ = 210700800.

The previous prime is 213235541. The next prime is 213235559. The reversal of 213235543 is 345532312.

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 213235543 - 2¹ = 213235541 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 (213235541) 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, 56448 + ... + 60106.

It is an arithmetic number, because the mean of its divisors is an integer number (26972370).

Almost surely, 2^213235543 is an apocalyptic number.

213235543 is a deficient number, since it is larger than the sum of its proper divisors (2543417).

213235543 is a wasteful number, since it uses less digits than its factorization.

213235543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its digits is 10800, while the sum is 28.

The square root of 213235543 is about 14602.5868598684. The cubic root of 213235543 is about 597.4293193237.

Adding to 213235543 its reverse (345532312), we get a palindrome (558767855).

It can be divided in two parts, 2132 and 35543, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 213235543 in words is "two hundred thirteen million, two hundred thirty-five thousand, five hundred forty-three".