40421011423 has 8 divisors (see below), whose sum is σ = 43848061488. Its totient is φ = 37039353024.

The previous prime is 40421011387. The next prime is 40421011439. The reversal of 40421011423 is 32411012404.

It is a happy number.

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 40421011423 - 2¹⁷ = 40420880351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40421011394 and 40421011403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421011123) 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 7 ways as a sum of consecutive naturals, for example, 11346061 + ... + 11349622.

It is an arithmetic number, because the mean of its divisors is an integer number (5481007686).

Almost surely, 2^40421011423 is an apocalyptic number.

40421011423 is a deficient number, since it is larger than the sum of its proper divisors (3427050065).

40421011423 is a wasteful number, since it uses less digits than its factorization.

40421011423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22695833.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40421011423 its reverse (32411012404), we get a palindrome (72832023827).

The spelling of 40421011423 in words is "forty billion, four hundred twenty-one million, eleven thousand, four hundred twenty-three".