44523431 has 4 divisors (see below), whose sum is σ = 44634864. Its totient is φ = 44412000.

The previous prime is 44523421. The next prime is 44523433. The reversal of 44523431 is 13432544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44523431 is a prime.

It is a super-2 number, since 2×44523431² = 3964671816023522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44523431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44523433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55115 + ... + 55916.

It is an arithmetic number, because the mean of its divisors is an integer number (11158716).

Almost surely, 2^44523431 is an apocalyptic number.

44523431 is a deficient number, since it is larger than the sum of its proper divisors (111433).

44523431 is a wasteful number, since it uses less digits than its factorization.

44523431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111432.

The product of its digits is 5760, while the sum is 26.

The square root of 44523431 is about 6672.5880286438. The cubic root of 44523431 is about 354.4292382251.

Adding to 44523431 its reverse (13432544), we get a palindrome (57955975).

The spelling of 44523431 in words is "forty-four million, five hundred twenty-three thousand, four hundred thirty-one".