123210322003 has 4 divisors (see below), whose sum is σ = 123254692920. Its totient is φ = 123165951088.

The previous prime is 123210321931. The next prime is 123210322073. The reversal of 123210322003 is 300223012321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300223012321 = 113 ⋅2656840817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123210322003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123210322073) 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 3 ways as a sum of consecutive naturals, for example, 22181293 + ... + 22186846.

It is an arithmetic number, because the mean of its divisors is an integer number (30813673230).

Almost surely, 2^123210322003 is an apocalyptic number.

123210322003 is a deficient number, since it is larger than the sum of its proper divisors (44370917).

123210322003 is an equidigital number, since it uses as much as digits as its factorization.

123210322003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44370916.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123210322003 its reverse (300223012321), we get a palindrome (423433334324).

The spelling of 123210322003 in words is "one hundred twenty-three billion, two hundred ten million, three hundred twenty-two thousand, three".