1423131454405 has 32 divisors (see below), whose sum is σ = 1947648067200. Its totient is φ = 991529828352.

The previous prime is 1423131454387. The next prime is 1423131454477. The reversal of 1423131454405 is 5044541313241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1423131454405 - 2¹¹ = 1423131452357 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10177020 + ... + 10315909.

It is an arithmetic number, because the mean of its divisors is an integer number (60864002100).

Almost surely, 2^{1423131454405} is an apocalyptic number.

It is an amenable number.

1423131454405 is a deficient number, since it is larger than the sum of its proper divisors (524516612795).

1423131454405 is a wasteful number, since it uses less digits than its factorization.

1423131454405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20493013.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 1423131454405 its reverse (5044541313241), we get a palindrome (6467672767646).

The spelling of 1423131454405 in words is "one trillion, four hundred twenty-three billion, one hundred thirty-one million, four hundred fifty-four thousand, four hundred five".