423421324420 has 48 divisors (see below), whose sum is σ = 913329402048. Its totient is φ = 164830469760.

The previous prime is 423421324409. The next prime is 423421324433. The reversal of 423421324420 is 24423124324.

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, 1792311 + ... + 2014750.

It is an arithmetic number, because the mean of its divisors is an integer number (19027695876).

Almost surely, 2^423421324420 is an apocalyptic number.

It is an amenable number.

423421324420 is an abundant number, since it is smaller than the sum of its proper divisors (489908077628).

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

423421324420 is a wasteful number, since it uses less digits than its factorization.

423421324420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807220 (or 3807218 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 423421324420 its reverse (24423124324), we get a palindrome (447844448744).

The spelling of 423421324420 in words is "four hundred twenty-three billion, four hundred twenty-one million, three hundred twenty-four thousand, four hundred twenty".