43120423 has 8 divisors (see below), whose sum is σ = 45259488. Its totient is φ = 41003424.

The previous prime is 43120417. The next prime is 43120439. The reversal of 43120423 is 32402134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43120423 - 2²⁵ = 9565991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43120423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43120123) 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, 1440 + ... + 9397.

It is an arithmetic number, because the mean of its divisors is an integer number (5657436).

Almost surely, 2^43120423 is an apocalyptic number.

43120423 is a deficient number, since it is larger than the sum of its proper divisors (2139065).

43120423 is a wasteful number, since it uses less digits than its factorization.

43120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43120423 is about 6566.6142722106. The cubic root of 43120423 is about 350.6665474939. Note that the first 3 decimals are identical.

Adding to 43120423 its reverse (32402134), we get a palindrome (75522557).

The spelling of 43120423 in words is "forty-three million, one hundred twenty thousand, four hundred twenty-three".