5431344623 has 2 divisors, whose sum is σ = 5431344624. Its totient is φ = 5431344622.

The previous prime is 5431344601. The next prime is 5431344647. The reversal of 5431344623 is 3264431345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5431344623 - 2⁶ = 5431344559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5431344673) by changing a digit.

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 as a sum of consecutive naturals, namely, 2715672311 + 2715672312.

It is an arithmetic number, because the mean of its divisors is an integer number (2715672312).

Almost surely, 2^5431344623 is an apocalyptic number.

5431344623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431344623 is an equidigital number, since it uses as much as digits as its factorization.

5431344623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 35.

The square root of 5431344623 is about 73697.6568352075. The cubic root of 5431344623 is about 1757.7986232862.

Adding to 5431344623 its reverse (3264431345), we get a palindrome (8695775968).

The spelling of 5431344623 in words is "five billion, four hundred thirty-one million, three hundred forty-four thousand, six hundred twenty-three".