102423323132242 has 24 divisors (see below), whose sum is σ = 184880945701260. Its totient is φ = 42382064743200.

The previous prime is 102423323132231. The next prime is 102423323132303. The reversal of 102423323132242 is 242231323324201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96808892400801 + 5614430731441 = 9839151^2 + 2369479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102423323132198 and 102423323132207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18019582509 + ... + 18019588192.

Almost surely, 2^{102423323132242} is an apocalyptic number.

102423323132242 is a deficient number, since it is larger than the sum of its proper divisors (82457622569018).

102423323132242 is a wasteful number, since it uses less digits than its factorization.

102423323132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36039170746 (or 36039170739 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 102423323132242 its reverse (242231323324201), we get a palindrome (344654646456443).

The spelling of 102423323132242 in words is "one hundred two trillion, four hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-two thousand, two hundred forty-two".