103443420 has 48 divisors (see below), whose sum is σ = 302238720. Its totient is φ = 26385216.

The previous prime is 103443401. The next prime is 103443421. The reversal of 103443420 is 24344301.

It is a super-2 number, since 2×103443420² = 21401082282592800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103443421) 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, 36100 + ... + 38859.

It is an arithmetic number, because the mean of its divisors is an integer number (6296640).

Almost surely, 2^103443420 is an apocalyptic number.

103443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103443420 is an abundant number, since it is smaller than the sum of its proper divisors (198795300).

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

103443420 is a wasteful number, since it uses less digits than its factorization.

103443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74994 (or 74992 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 103443420 is about 10170.7138392544. The cubic root of 103443420 is about 469.4265225183.

Adding to 103443420 its reverse (24344301), we get a palindrome (127787721).

The spelling of 103443420 in words is "one hundred three million, four hundred forty-three thousand, four hundred twenty".