1423143431424 has 432 divisors, whose sum is σ = 4868471672064. Its totient is φ = 394131456000.

The previous prime is 1423143431417. The next prime is 1423143431461. The reversal of 1423143431424 is 4241343413241.

1423143431424 is a `hidden beast` number, since 1 + 4 + 2 + 314 + 3 + 4 + 314 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33255289 + ... + 33298055.

It is an arithmetic number, because the mean of its divisors is an integer number (11269610352).

Almost surely, 2^{1423143431424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423143431424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434235836032).

1423143431424 is an abundant number, since it is smaller than the sum of its proper divisors (3445328240640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423143431424 is a wasteful number, since it uses less digits than its factorization.

1423143431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42914 (or 42897 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 1423143431424 its reverse (4241343413241), we get a palindrome (5664486844665).

The spelling of 1423143431424 in words is "one trillion, four hundred twenty-three billion, one hundred forty-three million, four hundred thirty-one thousand, four hundred twenty-four".