445374723 has 4 divisors (see below), whose sum is σ = 593832968. Its totient is φ = 296916480.

The previous prime is 445374689. The next prime is 445374749. The reversal of 445374723 is 327473544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 445374723 - 2¹³ = 445366531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445374023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74229118 + ... + 74229123.

It is an arithmetic number, because the mean of its divisors is an integer number (148458242).

Almost surely, 2^445374723 is an apocalyptic number.

445374723 is a deficient number, since it is larger than the sum of its proper divisors (148458245).

445374723 is a wasteful number, since it uses less digits than its factorization.

445374723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148458244.

The product of its digits is 282240, while the sum is 39.

The square root of 445374723 is about 21103.9030276392. The cubic root of 445374723 is about 763.6749088601.

The spelling of 445374723 in words is "four hundred forty-five million, three hundred seventy-four thousand, seven hundred twenty-three".