40012421423 has 8 divisors (see below), whose sum is σ = 45358210800. Its totient is φ = 34990619328.

The previous prime is 40012421387. The next prime is 40012421437. The reversal of 40012421423 is 32412421004.

40012421423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40012421423 - 2⁸ = 40012421167 is a prime.

It is a super-3 number, since 3×40012421423³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012421443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80996558 + ... + 80997051.

It is an arithmetic number, because the mean of its divisors is an integer number (5669776350).

Almost surely, 2^40012421423 is an apocalyptic number.

40012421423 is a deficient number, since it is larger than the sum of its proper divisors (5345789377).

40012421423 is a wasteful number, since it uses less digits than its factorization.

40012421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161993641.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40012421423 its reverse (32412421004), we get a palindrome (72424842427).

The spelling of 40012421423 in words is "forty billion, twelve million, four hundred twenty-one thousand, four hundred twenty-three".