431153203823 has 16 divisors (see below), whose sum is σ = 435039209856. Its totient is φ = 427285647360.

The previous prime is 431153203807. The next prime is 431153203829. The reversal of 431153203823 is 328302351134.

It is a cyclic number.

It is not a de Polignac number, because 431153203823 - 2⁴ = 431153203807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431153203829) 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, 75071690 + ... + 75077432.

It is an arithmetic number, because the mean of its divisors is an integer number (27189950616).

Almost surely, 2^431153203823 is an apocalyptic number.

431153203823 is a deficient number, since it is larger than the sum of its proper divisors (3886006033).

431153203823 is a wasteful number, since it uses less digits than its factorization.

431153203823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 431153203823 its reverse (328302351134), we get a palindrome (759455554957).

The spelling of 431153203823 in words is "four hundred thirty-one billion, one hundred fifty-three million, two hundred three thousand, eight hundred twenty-three".