40423356367 has 4 divisors (see below), whose sum is σ = 40437255240. Its totient is φ = 40409457496.

The previous prime is 40423356343. The next prime is 40423356377. The reversal of 40423356367 is 76365332404.

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

It is a cyclic number.

It is not a de Polignac number, because 40423356367 - 2¹¹ = 40423354319 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 (40423356377) 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, 6945073 + ... + 6950890.

It is an arithmetic number, because the mean of its divisors is an integer number (10109313810).

Almost surely, 2^40423356367 is an apocalyptic number.

40423356367 is a deficient number, since it is larger than the sum of its proper divisors (13898873).

40423356367 is a wasteful number, since it uses less digits than its factorization.

40423356367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13898872.

The product of its (nonzero) digits is 1088640, while the sum is 43.

The spelling of 40423356367 in words is "forty billion, four hundred twenty-three million, three hundred fifty-six thousand, three hundred sixty-seven".