423426636860 has 48 divisors (see below), whose sum is σ = 908360369280. Its totient is φ = 165722234880.

The previous prime is 423426636851. The next prime is 423426636931. The reversal of 423426636860 is 68636624324.

It is a junction number, because it is equal to n+sod(n) for n = 423426636799 and 423426636808.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3532796 + ... + 3650684.

It is an arithmetic number, because the mean of its divisors is an integer number (18924174360).

Almost surely, 2^423426636860 is an apocalyptic number.

It is an amenable number.

423426636860 is an abundant number, since it is smaller than the sum of its proper divisors (484933732420).

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

423426636860 is a wasteful number, since it uses less digits than its factorization.

423426636860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121766 (or 121764 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 50.

The spelling of 423426636860 in words is "four hundred twenty-three billion, four hundred twenty-six million, six hundred thirty-six thousand, eight hundred sixty".