44403623 has 4 divisors (see below), whose sum is σ = 48440328. Its totient is φ = 40366920.

The previous prime is 44403607. The next prime is 44403631. The reversal of 44403623 is 32630444.

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

It is not a de Polignac number, because 44403623 - 2⁴ = 44403607 is a prime.

It is a super-2 number, since 2×44403623² = 3943363471052258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44403592 and 44403601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44403923) 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, 2018336 + ... + 2018357.

It is an arithmetic number, because the mean of its divisors is an integer number (12110082).

Almost surely, 2^44403623 is an apocalyptic number.

44403623 is a deficient number, since it is larger than the sum of its proper divisors (4036705).

44403623 is a wasteful number, since it uses less digits than its factorization.

44403623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036704.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 44403623 is about 6663.6043550019. The cubic root of 44403623 is about 354.1110416970. Note that the first 3 decimals are identical.

The spelling of 44403623 in words is "forty-four million, four hundred three thousand, six hundred twenty-three".