103521344 has 28 divisors (see below), whose sum is σ = 214359744. Its totient is φ = 49509504.

The previous prime is 103521343. The next prime is 103521359. The reversal of 103521344 is 443125301.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103521343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33692 + ... + 36635.

Almost surely, 2^103521344 is an apocalyptic number.

It is an amenable number.

103521344 is an abundant number, since it is smaller than the sum of its proper divisors (110838400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103521344 is an equidigital number, since it uses as much as digits as its factorization.

103521344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70362 (or 70352 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103521344 is about 10174.5439209824. The cubic root of 103521344 is about 469.5443660410.

Adding to 103521344 its reverse (443125301), we get a palindrome (546646645).

The spelling of 103521344 in words is "one hundred three million, five hundred twenty-one thousand, three hundred forty-four".