423511615434 has 16 divisors (see below), whose sum is σ = 874346561280. Its totient is φ = 136616650080.

The previous prime is 423511615433. The next prime is 423511615451. The reversal of 423511615434 is 434516115324.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423511615392 and 423511615401.

It is not an unprimeable number, because it can be changed into a prime (423511615433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138471899 + ... + 1138472270.

It is an arithmetic number, because the mean of its divisors is an integer number (54646660080).

Almost surely, 2^423511615434 is an apocalyptic number.

423511615434 is an abundant number, since it is smaller than the sum of its proper divisors (450834945846).

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

423511615434 is a wasteful number, since it uses less digits than its factorization.

423511615434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276944205.

The product of its digits is 172800, while the sum is 39.

The spelling of 423511615434 in words is "four hundred twenty-three billion, five hundred eleven million, six hundred fifteen thousand, four hundred thirty-four".