102243423243 has 32 divisors (see below), whose sum is σ = 149344634880. Its totient is φ = 61833864960.

The previous prime is 102243423239. The next prime is 102243423263. The reversal of 102243423243 is 342324342201.

It is not a de Polignac number, because 102243423243 - 2² = 102243423239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102243423243.

It is not an unprimeable number, because it can be changed into a prime (102243423263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13321255 + ... + 13328927.

It is an arithmetic number, because the mean of its divisors is an integer number (4667019840).

Almost surely, 2^102243423243 is an apocalyptic number.

102243423243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102243423243 is a deficient number, since it is larger than the sum of its proper divisors (47101211637).

102243423243 is a wasteful number, since it uses less digits than its factorization.

102243423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13539.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 102243423243 its reverse (342324342201), we get a palindrome (444567765444).

The spelling of 102243423243 in words is "one hundred two billion, two hundred forty-three million, four hundred twenty-three thousand, two hundred forty-three".