43723368 has 128 divisors (see below), whose sum is σ = 136684800. Its totient is φ = 12849408.

The previous prime is 43723367. The next prime is 43723417. The reversal of 43723368 is 86332734.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (43723363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64246 + ... + 64922.

It is an arithmetic number, because the mean of its divisors is an integer number (1067850).

Almost surely, 2^43723368 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 43723368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68342400).

43723368 is an abundant number, since it is smaller than the sum of its proper divisors (92961432).

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

43723368 is a wasteful number, since it uses less digits than its factorization.

43723368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 718 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 43723368 is about 6612.3647812262. The cubic root of 43723368 is about 352.2934235535.

The spelling of 43723368 in words is "forty-three million, seven hundred twenty-three thousand, three hundred sixty-eight".