444535723 has 16 divisors (see below), whose sum is σ = 482168320. Its totient is φ = 408403296.

The previous prime is 444535717. The next prime is 444535733. The reversal of 444535723 is 327535444.

It is a cyclic number.

It is not a de Polignac number, because 444535723 - 2⁹ = 444535211 is a prime.

It is a super-2 number, since 2×444535723² = 395224018046265458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (444535733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257140 + ... + 258862.

It is an arithmetic number, because the mean of its divisors is an integer number (30135520).

Almost surely, 2^444535723 is an apocalyptic number.

444535723 is a deficient number, since it is larger than the sum of its proper divisors (37632597).

444535723 is a wasteful number, since it uses less digits than its factorization.

444535723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its digits is 201600, while the sum is 37.

The square root of 444535723 is about 21084.0158176757. The cubic root of 444535723 is about 763.1950687240.

It can be divided in two parts, 44453 and 5723, that added together give a square (50176 = 224²).

The spelling of 444535723 in words is "four hundred forty-four million, five hundred thirty-five thousand, seven hundred twenty-three".