40434344431223 has 16 divisors (see below), whose sum is σ = 42634137853440. Its totient is φ = 38241725860800.

The previous prime is 40434344431211. The next prime is 40434344431237. The reversal of 40434344431223 is 32213444343404.

It is a cyclic number.

It is not a de Polignac number, because 40434344431223 - 2²² = 40434340236919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434344431253) 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, 201898928 + ... + 202099098.

It is an arithmetic number, because the mean of its divisors is an integer number (2664633615840).

Almost surely, 2^{40434344431223} is an apocalyptic number.

40434344431223 is a deficient number, since it is larger than the sum of its proper divisors (2199793422217).

40434344431223 is a wasteful number, since it uses less digits than its factorization.

40434344431223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218038.

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 40434344431223 its reverse (32213444343404), we get a palindrome (72647788774627).

The spelling of 40434344431223 in words is "forty trillion, four hundred thirty-four billion, three hundred forty-four million, four hundred thirty-one thousand, two hundred twenty-three".