44521823 has 4 divisors (see below), whose sum is σ = 44555760. Its totient is φ = 44487888.

The previous prime is 44521801. The next prime is 44521879. The reversal of 44521823 is 32812544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44521823 - 2¹⁰ = 44520799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44521423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14918 + ... + 17651.

It is an arithmetic number, because the mean of its divisors is an integer number (11138940).

Almost surely, 2^44521823 is an apocalyptic number.

44521823 is a deficient number, since it is larger than the sum of its proper divisors (33937).

44521823 is a wasteful number, since it uses less digits than its factorization.

44521823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33936.

The product of its digits is 7680, while the sum is 29.

The square root of 44521823 is about 6672.4675345782. The cubic root of 44521823 is about 354.4249713401.

The spelling of 44521823 in words is "forty-four million, five hundred twenty-one thousand, eight hundred twenty-three".