43103412 has 72 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 12904320.

The previous prime is 43103407. The next prime is 43103491. The reversal of 43103412 is 21430134.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34633 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^43103412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43103412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60147360).

43103412 is an abundant number, since it is smaller than the sum of its proper divisors (77191308).

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

43103412 is a wasteful number, since it uses less digits than its factorization.

43103412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 43103412 is about 6565.3188802982. The cubic root of 43103412 is about 350.6204287964.

Adding to 43103412 its reverse (21430134), we get a palindrome (64533546).

The spelling of 43103412 in words is "forty-three million, one hundred three thousand, four hundred twelve".