44391923 has 8 divisors (see below), whose sum is σ = 47723520. Its totient is φ = 41159880.

The previous prime is 44391911. The next prime is 44391929. The reversal of 44391923 is 32919344.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44391923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44391929) 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, 23963 + ... + 25748.

It is an arithmetic number, because the mean of its divisors is an integer number (5965440).

Almost surely, 2^44391923 is an apocalyptic number.

44391923 is a deficient number, since it is larger than the sum of its proper divisors (3331597).

44391923 is a wasteful number, since it uses less digits than its factorization.

44391923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49777.

The product of its digits is 23328, while the sum is 35.

The square root of 44391923 is about 6662.7263939021. The cubic root of 44391923 is about 354.0799371545.

The spelling of 44391923 in words is "forty-four million, three hundred ninety-one thousand, nine hundred twenty-three".