103210121323 has 4 divisors (see below), whose sum is σ = 104157003280. Its totient is φ = 102263239368.

The previous prime is 103210121321. The next prime is 103210121327. The reversal of 103210121323 is 323121012301.

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 103210121323 - 2¹ = 103210121321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103210121323.

It is not an unprimeable number, because it can be changed into a prime (103210121321) 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, 473440815 + ... + 473441032.

It is an arithmetic number, because the mean of its divisors is an integer number (26039250820).

Almost surely, 2^103210121323 is an apocalyptic number.

103210121323 is a deficient number, since it is larger than the sum of its proper divisors (946881957).

103210121323 is an equidigital number, since it uses as much as digits as its factorization.

103210121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946881956.

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

Adding to 103210121323 its reverse (323121012301), we get a palindrome (426331133624).

The spelling of 103210121323 in words is "one hundred three billion, two hundred ten million, one hundred twenty-one thousand, three hundred twenty-three".