4023404432431 has 8 divisors (see below), whose sum is σ = 4228538912640. Its totient is φ = 3820786939992.

The previous prime is 4023404432417. The next prime is 4023404432501. The reversal of 4023404432431 is 1342344043204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4023404432431 - 2¹³ = 4023404424239 is a prime.

It is a super-2 number, since 2×4023404432431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023404432401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629243665 + ... + 629250058.

It is an arithmetic number, because the mean of its divisors is an integer number (528567364080).

Almost surely, 2^{4023404432431} is an apocalyptic number.

4023404432431 is a deficient number, since it is larger than the sum of its proper divisors (205134480209).

4023404432431 is a wasteful number, since it uses less digits than its factorization.

4023404432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258493885.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 4023404432431 its reverse (1342344043204), we get a palindrome (5365748475635).

The spelling of 4023404432431 in words is "four trillion, twenty-three billion, four hundred four million, four hundred thirty-two thousand, four hundred thirty-one".