102123332123 has 4 divisors (see below), whose sum is σ = 107498244360. Its totient is φ = 96748419888.

The previous prime is 102123332111. The next prime is 102123332141. The reversal of 102123332123 is 321233321201.

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

It is a cyclic number.

It is not a de Polignac number, because 102123332123 - 2⁸ = 102123331867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102123322123) 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, 2687456090 + ... + 2687456127.

It is an arithmetic number, because the mean of its divisors is an integer number (26874561090).

Almost surely, 2^102123332123 is an apocalyptic number.

102123332123 is a deficient number, since it is larger than the sum of its proper divisors (5374912237).

102123332123 is an equidigital number, since it uses as much as digits as its factorization.

102123332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374912236.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 102123332123 its reverse (321233321201), we get a palindrome (423356653324).

The spelling of 102123332123 in words is "one hundred two billion, one hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty-three".