44323421 has 4 divisors (see below), whose sum is σ = 44337792. Its totient is φ = 44309052.

The previous prime is 44323417. The next prime is 44323427. The reversal of 44323421 is 12432344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 44323421 - 2² = 44323417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44323427) 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, 461 + ... + 9426.

It is an arithmetic number, because the mean of its divisors is an integer number (11084448).

Almost surely, 2^44323421 is an apocalyptic number.

It is an amenable number.

44323421 is a deficient number, since it is larger than the sum of its proper divisors (14371).

44323421 is an equidigital number, since it uses as much as digits as its factorization.

44323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14370.

The product of its digits is 2304, while the sum is 23.

The square root of 44323421 is about 6657.5837208405. The cubic root of 44323421 is about 353.8977142850.

Adding to 44323421 its reverse (12432344), we get a palindrome (56755765).

It can be divided in two parts, 44323 and 421, that added together give a palindrome (44744).

The spelling of 44323421 in words is "forty-four million, three hundred twenty-three thousand, four hundred twenty-one".