423436126660 has 12 divisors (see below), whose sum is σ = 889215866028. Its totient is φ = 169374450656.

The previous prime is 423436126657. The next prime is 423436126699. The reversal of 423436126660 is 66621634324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80920905156 + 342515221504 = 284466^2 + 585248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10585903147 + ... + 10585903186.

It is an arithmetic number, because the mean of its divisors is an integer number (74101322169).

Almost surely, 2^423436126660 is an apocalyptic number.

It is an amenable number.

423436126660 is an abundant number, since it is smaller than the sum of its proper divisors (465779739368).

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

423436126660 is a wasteful number, since it uses less digits than its factorization.

423436126660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21171806342 (or 21171806340 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 423436126660 in words is "four hundred twenty-three billion, four hundred thirty-six million, one hundred twenty-six thousand, six hundred sixty".