10400203423 has 16 divisors (see below), whose sum is σ = 11042058240. Its totient is φ = 9778298400.

The previous prime is 10400203379. The next prime is 10400203453. The reversal of 10400203423 is 32430200401.

10400203423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10400203423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10400203423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400203453) 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 15 ways as a sum of consecutive naturals, for example, 818388 + ... + 830998.

It is an arithmetic number, because the mean of its divisors is an integer number (690128640).

Almost surely, 2^10400203423 is an apocalyptic number.

10400203423 is a deficient number, since it is larger than the sum of its proper divisors (641854817).

10400203423 is a wasteful number, since it uses less digits than its factorization.

10400203423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10400203423 its reverse (32430200401), we get a palindrome (42830403824).

The spelling of 10400203423 in words is "ten billion, four hundred million, two hundred three thousand, four hundred twenty-three".