213543323526203 has 4 divisors (see below), whose sum is σ = 232956352937688. Its totient is φ = 194130294114720.

The previous prime is 213543323526199. The next prime is 213543323526223. The reversal of 213543323526203 is 302625323345312.

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 213543323526203 - 2² = 213543323526199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213543323526223) 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, 9706514705726 + ... + 9706514705747.

It is an arithmetic number, because the mean of its divisors is an integer number (58239088234422).

Almost surely, 2^{213543323526203} is an apocalyptic number.

213543323526203 is a deficient number, since it is larger than the sum of its proper divisors (19413029411485).

213543323526203 is a wasteful number, since it uses less digits than its factorization.

213543323526203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413029411484.

The product of its (nonzero) digits is 2332800, while the sum is 44.

The spelling of 213543323526203 in words is "two hundred thirteen trillion, five hundred forty-three billion, three hundred twenty-three million, five hundred twenty-six thousand, two hundred three".