123210213103 has 2 divisors, whose sum is σ = 123210213104. Its totient is φ = 123210213102.

The previous prime is 123210213089. The next prime is 123210213107. The reversal of 123210213103 is 301312012321.

It is a strong prime.

It is an emirp because it is prime and its reverse (301312012321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123210213103 - 2¹⁷ = 123210082031 is a prime.

It is a super-2 number, since 2×123210213103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123210213107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605106551 + 61605106552.

It is an arithmetic number, because the mean of its divisors is an integer number (61605106552).

Almost surely, 2^123210213103 is an apocalyptic number.

123210213103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123210213103 is an equidigital number, since it uses as much as digits as its factorization.

123210213103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123210213103 its reverse (301312012321), we get a palindrome (424522225424).

The spelling of 123210213103 in words is "one hundred twenty-three billion, two hundred ten million, two hundred thirteen thousand, one hundred three".