40034422423 has 4 divisors (see below), whose sum is σ = 40145939280. Its totient is φ = 39922905568.

The previous prime is 40034422409. The next prime is 40034422453. The reversal of 40034422423 is 32422443004.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40034422423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40034422391 and 40034422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40034422453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55757890 + ... + 55758607.

It is an arithmetic number, because the mean of its divisors is an integer number (10036484820).

Almost surely, 2^40034422423 is an apocalyptic number.

40034422423 is a deficient number, since it is larger than the sum of its proper divisors (111516857).

40034422423 is a wasteful number, since it uses less digits than its factorization.

40034422423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111516856.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40034422423 its reverse (32422443004), we get a palindrome (72456865427).

It can be divided in two parts, 4003442 and 2423, that added together give a triangular number (4005865 = T₂₈₃₀).

The spelling of 40034422423 in words is "forty billion, thirty-four million, four hundred twenty-two thousand, four hundred twenty-three".