40444343223 has 16 divisors (see below), whose sum is σ = 55690177536. Its totient is φ = 26081478720.

The previous prime is 40444343189. The next prime is 40444343257. The reversal of 40444343223 is 32234344404.

It is an interprime number because it is at equal distance from previous prime (40444343189) and next prime (40444343257).

It is not a de Polignac number, because 40444343223 - 2²⁸ = 40175907767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444343273) 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, 114915 + ... + 306747.

It is an arithmetic number, because the mean of its divisors is an integer number (3480636096).

Almost surely, 2^40444343223 is an apocalyptic number.

40444343223 is a deficient number, since it is larger than the sum of its proper divisors (15245834313).

40444343223 is a wasteful number, since it uses less digits than its factorization.

40444343223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194134.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 40444343223 its reverse (32234344404), we get a palindrome (72678687627).

The spelling of 40444343223 in words is "forty billion, four hundred forty-four million, three hundred forty-three thousand, two hundred twenty-three".