102312042243 has 8 divisors (see below), whose sum is σ = 136420163856. Its totient is φ = 68205974400.

The previous prime is 102312042241. The next prime is 102312042257. The reversal of 102312042243 is 342240213201.

It is a happy number.

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

It is not a de Polignac number, because 102312042243 - 2¹ = 102312042241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102312042241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393178 + ... + 599343.

It is an arithmetic number, because the mean of its divisors is an integer number (17052520482).

Almost surely, 2^102312042243 is an apocalyptic number.

102312042243 is a deficient number, since it is larger than the sum of its proper divisors (34108121613).

102312042243 is an equidigital number, since it uses as much as digits as its factorization.

102312042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026885.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102312042243 its reverse (342240213201), we get a palindrome (444552255444).

The spelling of 102312042243 in words is "one hundred two billion, three hundred twelve million, forty-two thousand, two hundred forty-three".