423988992320 has 112 divisors (see below), whose sum is σ = 1105876365840. Its totient is φ = 154115211264.

The previous prime is 423988992311. The next prime is 423988992347. The reversal of 423988992320 is 23299889324.

It can be written as a sum of positive squares in 8 ways, for example, as 50902579456 + 373086412864 = 225616^2 + 610808^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423988992320.

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, 1186019 + ... + 1501538.

Almost surely, 2^423988992320 is an apocalyptic number.

423988992320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423988992320 is an abundant number, since it is smaller than the sum of its proper divisors (681887373520).

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

423988992320 is a wasteful number, since it uses less digits than its factorization.

423988992320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687620 (or 2687610 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 423988992320 in words is "four hundred twenty-three billion, nine hundred eighty-eight million, nine hundred ninety-two thousand, three hundred twenty".