43340123 has 8 divisors (see below), whose sum is σ = 47472480. Its totient is φ = 39383680.

The previous prime is 43340113. The next prime is 43340153. The reversal of 43340123 is 32104334.

43340123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43340123 - 2⁴ = 43340107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43340095 and 43340104.

It is not an unprimeable number, because it can be changed into a prime (43340113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43463 + ... + 44448.

It is an arithmetic number, because the mean of its divisors is an integer number (5934060).

Almost surely, 2^43340123 is an apocalyptic number.

43340123 is a deficient number, since it is larger than the sum of its proper divisors (4132357).

43340123 is a wasteful number, since it uses less digits than its factorization.

43340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87957.

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

The square root of 43340123 is about 6583.3215780486. The cubic root of 43340123 is about 351.2610914968.

Adding to 43340123 its reverse (32104334), we get a palindrome (75444457).

The spelling of 43340123 in words is "forty-three million, three hundred forty thousand, one hundred twenty-three".