103244223505 has 4 divisors (see below), whose sum is σ = 123893068212. Its totient is φ = 82595378800.

The previous prime is 103244223457. The next prime is 103244223517. The reversal of 103244223505 is 505322442301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505322442301 = 73 ⋅6922225237.

It can be written as a sum of positive squares in 2 ways, for example, as 48583653889 + 54660569616 = 220417^2 + 233796^2 .

It is not a de Polignac number, because 103244223505 - 2⁷ = 103244223377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324422346 + ... + 10324422355.

It is an arithmetic number, because the mean of its divisors is an integer number (30973267053).

Almost surely, 2^103244223505 is an apocalyptic number.

It is an amenable number.

103244223505 is a deficient number, since it is larger than the sum of its proper divisors (20648844707).

103244223505 is an equidigital number, since it uses as much as digits as its factorization.

103244223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20648844706.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 103244223505 its reverse (505322442301), we get a palindrome (608566665806).

The spelling of 103244223505 in words is "one hundred three billion, two hundred forty-four million, two hundred twenty-three thousand, five hundred five".