43103423 has 16 divisors (see below), whose sum is σ = 49738752. Its totient is φ = 36984000.

The previous prime is 43103407. The next prime is 43103491. The reversal of 43103423 is 32430134.

It is a cyclic number.

It is not a de Polignac number, because 43103423 - 2⁴ = 43103407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43103395 and 43103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43103023) 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, 12440 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (3108672).

Almost surely, 2^43103423 is an apocalyptic number.

43103423 is a deficient number, since it is larger than the sum of its proper divisors (6635329).

43103423 is a wasteful number, since it uses less digits than its factorization.

43103423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 43103423 is about 6565.3197180335. The cubic root of 43103423 is about 350.6204586226.

Adding to 43103423 its reverse (32430134), we get a palindrome (75533557).

Subtracting from 43103423 its reverse (32430134), we obtain a square (10673289 = 3267²).

The spelling of 43103423 in words is "forty-three million, one hundred three thousand, four hundred twenty-three".