44123042431 has 4 divisors (see below), whose sum is σ = 47517122632. Its totient is φ = 40728962232.

The previous prime is 44123042399. The next prime is 44123042521. The reversal of 44123042431 is 13424032144.

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 44123042431 - 2⁵ = 44123042399 is a prime.

It is a super-2 number, since 2×44123042431² (a number of 22 digits) 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 44123042431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44123040431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697040081 + ... + 1697040106.

It is an arithmetic number, because the mean of its divisors is an integer number (11879280658).

Almost surely, 2^44123042431 is an apocalyptic number.

44123042431 is a deficient number, since it is larger than the sum of its proper divisors (3394080201).

44123042431 is a wasteful number, since it uses less digits than its factorization.

44123042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394080200.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 44123042431 its reverse (13424032144), we get a palindrome (57547074575).

The spelling of 44123042431 in words is "forty-four billion, one hundred twenty-three million, forty-two thousand, four hundred thirty-one".