44321131423 has 4 divisors (see below), whose sum is σ = 44322004048. Its totient is φ = 44320258800.

The previous prime is 44321131411. The next prime is 44321131447. The reversal of 44321131423 is 32413112344.

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 44321131423 - 2²¹ = 44319034271 is a prime.

It is a super-2 number, since 2×44321131423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44321131391 and 44321131400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44321131453) 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, 355086 + ... + 463387.

It is an arithmetic number, because the mean of its divisors is an integer number (11080501012).

Almost surely, 2^44321131423 is an apocalyptic number.

44321131423 is a deficient number, since it is larger than the sum of its proper divisors (872625).

44321131423 is an equidigital number, since it uses as much as digits as its factorization.

44321131423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872624.

The product of its digits is 6912, while the sum is 28.

Adding to 44321131423 its reverse (32413112344), we get a palindrome (76734243767).

The spelling of 44321131423 in words is "forty-four billion, three hundred twenty-one million, one hundred thirty-one thousand, four hundred twenty-three".