44005221423 has 6 divisors (see below), whose sum is σ = 63563097624. Its totient is φ = 29336814276.

The previous prime is 44005221373. The next prime is 44005221457. The reversal of 44005221423 is 32412250044.

44005221423 is a `hidden beast` number, since 440 + 0 + 5 + 2 + 214 + 2 + 3 = 666.

It is not a de Polignac number, because 44005221423 - 2⁸ = 44005221167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44005221223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2444734515 + ... + 2444734532.

It is an arithmetic number, because the mean of its divisors is an integer number (10593849604).

Almost surely, 2^44005221423 is an apocalyptic number.

44005221423 is a deficient number, since it is larger than the sum of its proper divisors (19557876201).

44005221423 is a wasteful number, since it uses less digits than its factorization.

44005221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889469053 (or 4889469050 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 44005221423 its reverse (32412250044), we get a palindrome (76417471467).

The spelling of 44005221423 in words is "forty-four billion, five million, two hundred twenty-one thousand, four hundred twenty-three".