102123122122423 has 4 divisors (see below), whose sum is σ = 102123468172408. Its totient is φ = 102122776072440.

The previous prime is 102123122122421. The next prime is 102123122122429. The reversal of 102123122122423 is 324221221321201.

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 102123122122423 - 2¹ = 102123122122421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102123122122391 and 102123122122400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123122122421) 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, 172581948 + ... + 173172673.

It is an arithmetic number, because the mean of its divisors is an integer number (25530867043102).

Almost surely, 2^{102123122122423} is an apocalyptic number.

102123122122423 is a deficient number, since it is larger than the sum of its proper divisors (346049985).

102123122122423 is an equidigital number, since it uses as much as digits as its factorization.

102123122122423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346049984.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 102123122122423 its reverse (324221221321201), we get a palindrome (426344343443624).

The spelling of 102123122122423 in words is "one hundred two trillion, one hundred twenty-three billion, one hundred twenty-two million, one hundred twenty-two thousand, four hundred twenty-three".