103213000123 has 4 divisors (see below), whose sum is σ = 103644853920. Its totient is φ = 102781146328.

The previous prime is 103213000073. The next prime is 103213000169. The reversal of 103213000123 is 321000312301.

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 103213000123 - 2²⁹ = 102676129211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103213000097 and 103213000106.

It is not an unprimeable number, because it can be changed into a prime (103213000183) 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, 215926540 + ... + 215927017.

It is an arithmetic number, because the mean of its divisors is an integer number (25911213480).

Almost surely, 2^103213000123 is an apocalyptic number.

103213000123 is a deficient number, since it is larger than the sum of its proper divisors (431853797).

103213000123 is an equidigital number, since it uses as much as digits as its factorization.

103213000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431853796.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103213000123 its reverse (321000312301), we get a palindrome (424213312424).

The spelling of 103213000123 in words is "one hundred three billion, two hundred thirteen million, one hundred twenty-three", and thus it is an aban number.