103543420 has 24 divisors (see below), whose sum is σ = 218112048. Its totient is φ = 41289600.

The previous prime is 103543417. The next prime is 103543421. The reversal of 103543420 is 24345301.

It is a super-3 number, since 3×103543420³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103543391 and 103543400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103543421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201 + ... + 14440.

It is an arithmetic number, because the mean of its divisors is an integer number (9088002).

Almost surely, 2^103543420 is an apocalyptic number.

103543420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103543420 is an abundant number, since it is smaller than the sum of its proper divisors (114568628).

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

103543420 is a wasteful number, since it uses less digits than its factorization.

103543420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15981 (or 15979 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 103543420 is about 10175.6287275038. The cubic root of 103543420 is about 469.5777405583.

Adding to 103543420 its reverse (24345301), we get a palindrome (127888721).

The spelling of 103543420 in words is "one hundred three million, five hundred forty-three thousand, four hundred twenty".