201312230543 has 8 divisors (see below), whose sum is σ = 201687328080. Its totient is φ = 200937243520.

The previous prime is 201312230533. The next prime is 201312230573. The reversal of 201312230543 is 345032213102.

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 201312230543 - 2¹² = 201312226447 is a prime.

It is a super-2 number, since 2×201312230543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201312230513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4219703 + ... + 4267143.

It is an arithmetic number, because the mean of its divisors is an integer number (25210916010).

Almost surely, 2^201312230543 is an apocalyptic number.

201312230543 is a deficient number, since it is larger than the sum of its proper divisors (375097537).

201312230543 is an equidigital number, since it uses as much as digits as its factorization.

201312230543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55257.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 201312230543 its reverse (345032213102), we get a palindrome (546344443645).

The spelling of 201312230543 in words is "two hundred one billion, three hundred twelve million, two hundred thirty thousand, five hundred forty-three".