40434344323 has 8 divisors (see below), whose sum is σ = 40628427840. Its totient is φ = 40240468800.

The previous prime is 40434344311. The next prime is 40434344351. The reversal of 40434344323 is 32344343404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40434344323 - 2¹⁷ = 40434213251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40434345323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344973 + ... + 447073.

It is an arithmetic number, because the mean of its divisors is an integer number (5078553480).

Almost surely, 2^40434344323 is an apocalyptic number.

40434344323 is a deficient number, since it is larger than the sum of its proper divisors (194083517).

40434344323 is a wasteful number, since it uses less digits than its factorization.

40434344323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103997.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 40434344323 its reverse (32344343404), we get a palindrome (72778687727).

The spelling of 40434344323 in words is "forty billion, four hundred thirty-four million, three hundred forty-four thousand, three hundred twenty-three".