423515431005 has 16 divisors (see below), whose sum is σ = 680261367744. Its totient is φ = 224996003840.

The previous prime is 423515430997. The next prime is 423515431033. The reversal of 423515431005 is 500134515324.

It is not a de Polignac number, because 423515431005 - 2³ = 423515430997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54926811 + ... + 54934520.

It is an arithmetic number, because the mean of its divisors is an integer number (42516335484).

Almost surely, 2^423515431005 is an apocalyptic number.

It is an amenable number.

423515431005 is a deficient number, since it is larger than the sum of its proper divisors (256745936739).

423515431005 is a wasteful number, since it uses less digits than its factorization.

423515431005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109861596.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 423515431005 its reverse (500134515324), we get a palindrome (923649946329).

The spelling of 423515431005 in words is "four hundred twenty-three billion, five hundred fifteen million, four hundred thirty-one thousand, five".