40423434431101 has 4 divisors (see below), whose sum is σ = 40448371776604. Its totient is φ = 40398497085600.

The previous prime is 40423434431089. The next prime is 40423434431119. The reversal of 40423434431101 is 10113443432404.

40423434431101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33174443595076 + 7248990836025 = 5759726^2 + 2692395^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423434431101 - 2⁵ = 40423434431069 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 (40423434437101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12468670320 + ... + 12468673561.

It is an arithmetic number, because the mean of its divisors is an integer number (10112092944151).

Almost surely, 2^{40423434431101} is an apocalyptic number.

It is an amenable number.

40423434431101 is a deficient number, since it is larger than the sum of its proper divisors (24937345503).

40423434431101 is a wasteful number, since it uses less digits than its factorization.

40423434431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937345502.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 40423434431101 its reverse (10113443432404), we get a palindrome (50536877863505).

The spelling of 40423434431101 in words is "forty trillion, four hundred twenty-three billion, four hundred thirty-four million, four hundred thirty-one thousand, one hundred one".