103211312323 has 4 divisors (see below), whose sum is σ = 117955785520. Its totient is φ = 88466839128.

The previous prime is 103211312317. The next prime is 103211312371. The reversal of 103211312323 is 323213112301.

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 103211312323 - 2¹⁷ = 103211181251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103211312294 and 103211312303.

It is not an unprimeable number, because it can be changed into a prime (103211312623) 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, 7372236588 + ... + 7372236601.

It is an arithmetic number, because the mean of its divisors is an integer number (29488946380).

Almost surely, 2^103211312323 is an apocalyptic number.

103211312323 is a deficient number, since it is larger than the sum of its proper divisors (14744473197).

103211312323 is an equidigital number, since it uses as much as digits as its factorization.

103211312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744473196.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103211312323 its reverse (323213112301), we get a palindrome (426424424624).

The spelling of 103211312323 in words is "one hundred three billion, two hundred eleven million, three hundred twelve thousand, three hundred twenty-three".