423657792100 has 27 divisors (see below), whose sum is σ = 919351533387. Its totient is φ = 169460513280.

The previous prime is 423657792097. The next prime is 423657792109. The reversal of 423657792100 is 1297756324.

The square root of 423657792100 is 650890.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 127538979876 + 296118812224 = 357126^2 + 544168^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423657792109) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 6476356 + ... + 6541444.

Almost surely, 2^423657792100 is an apocalyptic number.

423657792100 is the 650890-th square number.

It is an amenable number.

423657792100 is an abundant number, since it is smaller than the sum of its proper divisors (495693741287).

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

423657792100 is an frugal number, since it uses more digits than its factorization.

423657792100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130192 (or 65096 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 423657792100 in words is "four hundred twenty-three billion, six hundred fifty-seven million, seven hundred ninety-two thousand, one hundred".