43123668 has 48 divisors (see below), whose sum is σ = 117680640. Its totient is φ = 12033504.

The previous prime is 43123657. The next prime is 43123669. The reversal of 43123668 is 86632134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43123669) 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, 2358 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (2451680).

Almost surely, 2^43123668 is an apocalyptic number.

It is an amenable number.

43123668 is an abundant number, since it is smaller than the sum of its proper divisors (74556972).

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

43123668 is a wasteful number, since it uses less digits than its factorization.

43123668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996 (or 11994 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 43123668 is about 6566.8613507520. The cubic root of 43123668 is about 350.6753436693.

The spelling of 43123668 in words is "forty-three million, one hundred twenty-three thousand, six hundred sixty-eight".