123042310203 has 8 divisors (see below), whose sum is σ = 171189301248. Its totient is φ = 78461762984.

The previous prime is 123042310169. The next prime is 123042310241. The reversal of 123042310203 is 302013240321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123042310203 - 2⁸ = 123042309947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123042310203.

It is not an unprimeable number, because it can be changed into a prime (123042310283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891610875 + ... + 891611012.

It is an arithmetic number, because the mean of its divisors is an integer number (21398662656).

Almost surely, 2^123042310203 is an apocalyptic number.

123042310203 is a deficient number, since it is larger than the sum of its proper divisors (48146991045).

123042310203 is a wasteful number, since it uses less digits than its factorization.

123042310203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783221913.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123042310203 its reverse (302013240321), we get a palindrome (425055550524).

The spelling of 123042310203 in words is "one hundred twenty-three billion, forty-two million, three hundred ten thousand, two hundred three".