123204122140403 has 4 divisors (see below), whose sum is σ = 123320242897488. Its totient is φ = 123088001383320.

The previous prime is 123204122140399. The next prime is 123204122140417. The reversal of 123204122140403 is 304041221402321.

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 123204122140403 - 2² = 123204122140399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123204122140423) 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, 58060376951 + ... + 58060379072.

It is an arithmetic number, because the mean of its divisors is an integer number (30830060724372).

Almost surely, 2^{123204122140403} is an apocalyptic number.

123204122140403 is a deficient number, since it is larger than the sum of its proper divisors (116120757085).

123204122140403 is a wasteful number, since it uses less digits than its factorization.

123204122140403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116120757084.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 123204122140403 its reverse (304041221402321), we get a palindrome (427245343542724).

The spelling of 123204122140403 in words is "one hundred twenty-three trillion, two hundred four billion, one hundred twenty-two million, one hundred forty thousand, four hundred three".