10404432423 has 80 divisors (see below), whose sum is σ = 19410057216. Its totient is φ = 5395844160.

The previous prime is 10404432419. The next prime is 10404432427. The reversal of 10404432423 is 32423440401.

It is a happy number.

10404432423 is a `hidden beast` number, since 10 + 404 + 4 + 3 + 242 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (10404432419) and next prime (10404432427).

It is not a de Polignac number, because 10404432423 - 2² = 10404432419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404432427) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5381565 + ... + 5383497.

Almost surely, 2^10404432423 is an apocalyptic number.

10404432423 is a deficient number, since it is larger than the sum of its proper divisors (9005624793).

10404432423 is a wasteful number, since it uses less digits than its factorization.

10404432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 10404432423 its reverse (32423440401), we get a palindrome (42827872824).

The spelling of 10404432423 in words is "ten billion, four hundred four million, four hundred thirty-two thousand, four hundred twenty-three".