103123641 has 4 divisors (see below), whose sum is σ = 137498192. Its totient is φ = 68749092.

The previous prime is 103123633. The next prime is 103123661. The reversal of 103123641 is 146321301.

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 not a de Polignac number, because 103123641 - 2³ = 103123633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17187271 + ... + 17187276.

It is an arithmetic number, because the mean of its divisors is an integer number (34374548).

Almost surely, 2^103123641 is an apocalyptic number.

It is an amenable number.

103123641 is a deficient number, since it is larger than the sum of its proper divisors (34374551).

103123641 is an equidigital number, since it uses as much as digits as its factorization.

103123641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34374550.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 103123641 is about 10154.9810930400. The cubic root of 103123641 is about 468.9423038880.

Adding to 103123641 its reverse (146321301), we get a palindrome (249444942).

The spelling of 103123641 in words is "one hundred three million, one hundred twenty-three thousand, six hundred forty-one".