102231023123 has 4 divisors (see below), whose sum is σ = 102231793368. Its totient is φ = 102230252880.

The previous prime is 102231023117. The next prime is 102231023129. The reversal of 102231023123 is 321320132201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (102231023117) and next prime (102231023129).

It is a cyclic number.

It is not a de Polignac number, because 102231023123 - 2⁴ = 102231023107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102231023095 and 102231023104.

It is not an unprimeable number, because it can be changed into a prime (102231023129) 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, 129461 + ... + 470342.

It is an arithmetic number, because the mean of its divisors is an integer number (25557948342).

Almost surely, 2^102231023123 is an apocalyptic number.

102231023123 is a deficient number, since it is larger than the sum of its proper divisors (770245).

102231023123 is an equidigital number, since it uses as much as digits as its factorization.

102231023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770244.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102231023123 its reverse (321320132201), we get a palindrome (423551155324).

The spelling of 102231023123 in words is "one hundred two billion, two hundred thirty-one million, twenty-three thousand, one hundred twenty-three".