103321447 has 4 divisors (see below), whose sum is σ = 104287176. Its totient is φ = 102355720.

The previous prime is 103321441. The next prime is 103321459. The reversal of 103321447 is 744123301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744123301 = 23 ⋅32353187.

It is a cyclic number.

It is not a de Polignac number, because 103321447 - 2¹¹ = 103319399 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 (103321441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482704 + ... + 482917.

It is an arithmetic number, because the mean of its divisors is an integer number (26071794).

Almost surely, 2^103321447 is an apocalyptic number.

103321447 is a deficient number, since it is larger than the sum of its proper divisors (965729).

103321447 is an equidigital number, since it uses as much as digits as its factorization.

103321447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965728.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 103321447 is about 10164.7157855004. The cubic root of 103321447 is about 469.2419453502.

Adding to 103321447 its reverse (744123301), we get a palindrome (847444748).

The spelling of 103321447 in words is "one hundred three million, three hundred twenty-one thousand, four hundred forty-seven".