103443280 has 80 divisors (see below), whose sum is σ = 253269504. Its totient is φ = 39237120.

The previous prime is 103443253. The next prime is 103443281. The reversal of 103443280 is 82344301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103443281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131047 + ... + 131833.

Almost surely, 2^103443280 is an apocalyptic number.

103443280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103443280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126634752).

103443280 is an abundant number, since it is smaller than the sum of its proper divisors (149826224).

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

103443280 is a wasteful number, since it uses less digits than its factorization.

103443280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 103443280 is about 10170.7069567459. The cubic root of 103443280 is about 469.4263107447.

Adding to 103443280 its reverse (82344301), we get a palindrome (185787581).

The spelling of 103443280 in words is "one hundred three million, four hundred forty-three thousand, two hundred eighty".