102013543243 has 8 divisors (see below), whose sum is σ = 103185457200. Its totient is φ = 100842200448.

The previous prime is 102013543231. The next prime is 102013543253. The reversal of 102013543243 is 342345310201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-102013543243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102013543253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221788 + ... + 503206.

It is an arithmetic number, because the mean of its divisors is an integer number (12898182150).

Almost surely, 2^102013543243 is an apocalyptic number.

102013543243 is a deficient number, since it is larger than the sum of its proper divisors (1171913957).

102013543243 is an equidigital number, since it uses as much as digits as its factorization.

102013543243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285581.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 102013543243 its reverse (342345310201), we get a palindrome (444358853444).

The spelling of 102013543243 in words is "one hundred two billion, thirteen million, five hundred forty-three thousand, two hundred forty-three".