400014531423 has 12 divisors (see below), whose sum is σ = 622244826840. Its totient is φ = 246162788496.

The previous prime is 400014531377. The next prime is 400014531443. The reversal of 400014531423 is 324135410004.

It is a happy number.

It is not a de Polignac number, because 400014531423 - 2¹⁴ = 400014515039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400014531443) 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 11 ways as a sum of consecutive naturals, for example, 1709463693 + ... + 1709463926.

It is an arithmetic number, because the mean of its divisors is an integer number (51853735570).

Almost surely, 2^400014531423 is an apocalyptic number.

400014531423 is a deficient number, since it is larger than the sum of its proper divisors (222230295417).

400014531423 is a wasteful number, since it uses less digits than its factorization.

400014531423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418927638 (or 3418927635 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 400014531423 its reverse (324135410004), we get a palindrome (724149941427).

The spelling of 400014531423 in words is "four hundred billion, fourteen million, five hundred thirty-one thousand, four hundred twenty-three".