102543202623123 has 28 divisors (see below), whose sum is σ = 153769280792400. Its totient is φ = 68351104140336.

The previous prime is 102543202623067. The next prime is 102543202623131. The reversal of 102543202623123 is 321326202345201.

102543202623123 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 4 + 3 + 2 + 0 + 2 + 623 + 1 + 23 = 666.

102543202623123 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 102543202623123 - 2⁹ = 102543202622611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102543202628123) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6826536 + ... + 15864677.

It is an arithmetic number, because the mean of its divisors is an integer number (5491760028300).

Almost surely, 2^{102543202623123} is an apocalyptic number.

102543202623123 is a deficient number, since it is larger than the sum of its proper divisors (51226078169277).

102543202623123 is an frugal number, since it uses more digits than its factorization.

102543202623123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22697430 (or 22697415 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 102543202623123 its reverse (321326202345201), we get a palindrome (423869404968324).

The spelling of 102543202623123 in words is "one hundred two trillion, five hundred forty-three billion, two hundred two million, six hundred twenty-three thousand, one hundred twenty-three".