423966213788 has 96 divisors (see below), whose sum is σ = 852632739840. Its totient is φ = 182845797120.

The previous prime is 423966213761. The next prime is 423966213791. The reversal of 423966213788 is 887312669324.

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 31 ways as a sum of consecutive naturals, for example, 21697583 + ... + 21717113.

It is an arithmetic number, because the mean of its divisors is an integer number (8881591040).

Almost surely, 2^423966213788 is an apocalyptic number.

It is an amenable number.

423966213788 is an abundant number, since it is smaller than the sum of its proper divisors (428666526052).

423966213788 is a wasteful number, since it uses less digits than its factorization.

423966213788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867 (or 19865 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The spelling of 423966213788 in words is "four hundred twenty-three billion, nine hundred sixty-six million, two hundred thirteen thousand, seven hundred eighty-eight".