423680500 has 24 divisors (see below), whose sum is σ = 925319304. Its totient is φ = 169472000.

The previous prime is 423680497. The next prime is 423680519. The reversal of 423680500 is 5086324.

It can be written as a sum of positive squares in 4 ways, for example, as 8988004 + 414692496 = 2998^2 + 20364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423181 + ... + 424180.

It is an arithmetic number, because the mean of its divisors is an integer number (38554971).

Almost surely, 2^423680500 is an apocalyptic number.

It is an amenable number.

423680500 is an abundant number, since it is smaller than the sum of its proper divisors (501638804).

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

423680500 is a wasteful number, since it uses less digits than its factorization.

423680500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847380 (or 847368 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 423680500 is about 20583.5006740836. The cubic root of 423680500 is about 751.0684032226.

The spelling of 423680500 in words is "four hundred twenty-three million, six hundred eighty thousand, five hundred".