102011004343243 has 4 divisors (see below), whose sum is σ = 104768058514720. Its totient is φ = 99253950171768.

The previous prime is 102011004343207. The next prime is 102011004343249. The reversal of 102011004343243 is 342343400110201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102011004343243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011004343249) 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, 1378527085683 + ... + 1378527085756.

It is an arithmetic number, because the mean of its divisors is an integer number (26192014628680).

Almost surely, 2^{102011004343243} is an apocalyptic number.

102011004343243 is a deficient number, since it is larger than the sum of its proper divisors (2757054171477).

102011004343243 is an equidigital number, since it uses as much as digits as its factorization.

102011004343243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757054171476.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 102011004343243 its reverse (342343400110201), we get a palindrome (444354404453444).

The spelling of 102011004343243 in words is "one hundred two trillion, eleven billion, four million, three hundred forty-three thousand, two hundred forty-three".