423723126 has 16 divisors (see below), whose sum is σ = 856969200. Its totient is φ = 139653888.

The previous prime is 423723119. The next prime is 423723127. The reversal of 423723126 is 621327324.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423723093 and 423723102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423723127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396211 + ... + 397278.

It is an arithmetic number, because the mean of its divisors is an integer number (53560575).

Almost surely, 2^423723126 is an apocalyptic number.

423723126 is an abundant number, since it is smaller than the sum of its proper divisors (433246074).

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

423723126 is a wasteful number, since it uses less digits than its factorization.

423723126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793583.

The product of its digits is 12096, while the sum is 30.

The square root of 423723126 is about 20584.5360890159. The cubic root of 423723126 is about 751.0935904161.

The spelling of 423723126 in words is "four hundred twenty-three million, seven hundred twenty-three thousand, one hundred twenty-six".