103923931013 has 4 divisors (see below), whose sum is σ = 118770206880. Its totient is φ = 89077655148.

The previous prime is 103923930977. The next prime is 103923931019. The reversal of 103923931013 is 310139329301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103923931013 - 2¹² = 103923926917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103923931019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7423137923 + ... + 7423137936.

It is an arithmetic number, because the mean of its divisors is an integer number (29692551720).

Almost surely, 2^103923931013 is an apocalyptic number.

It is an amenable number.

103923931013 is a deficient number, since it is larger than the sum of its proper divisors (14846275867).

103923931013 is an equidigital number, since it uses as much as digits as its factorization.

103923931013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14846275866.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 103923931013 in words is "one hundred three billion, nine hundred twenty-three million, nine hundred thirty-one thousand, thirteen".