10440040434423 has 16 divisors (see below), whose sum is σ = 14227292073600. Its totient is φ = 6807682723680.

The previous prime is 10440040434419. The next prime is 10440040434433. The reversal of 10440040434423 is 32443404004401.

It is not a de Polignac number, because 10440040434423 - 2² = 10440040434419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440040434433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159323113 + ... + 159388626.

It is an arithmetic number, because the mean of its divisors is an integer number (889205754600).

Almost surely, 2^{10440040434423} is an apocalyptic number.

10440040434423 is a deficient number, since it is larger than the sum of its proper divisors (3787251639177).

10440040434423 is a wasteful number, since it uses less digits than its factorization.

10440040434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318711982.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 10440040434423 its reverse (32443404004401), we get a palindrome (42883444438824).

The spelling of 10440040434423 in words is "ten trillion, four hundred forty billion, forty million, four hundred thirty-four thousand, four hundred twenty-three".