444535423 has 4 divisors (see below), whose sum is σ = 445229568. Its totient is φ = 443841280.

The previous prime is 444535409. The next prime is 444535451. The reversal of 444535423 is 324535444.

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 444535423 - 2¹³ = 444527231 is a prime.

It is a super-2 number, since 2×444535423² = 395223484603577858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444535453) 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, 346111 + ... + 347392.

It is an arithmetic number, because the mean of its divisors is an integer number (111307392).

Almost surely, 2^444535423 is an apocalyptic number.

444535423 is a deficient number, since it is larger than the sum of its proper divisors (694145).

444535423 is an equidigital number, since it uses as much as digits as its factorization.

444535423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694144.

The product of its digits is 115200, while the sum is 34.

The square root of 444535423 is about 21084.0087032803. The cubic root of 444535423 is about 763.1948970404.

The spelling of 444535423 in words is "four hundred forty-four million, five hundred thirty-five thousand, four hundred twenty-three".