423701772 has 48 divisors (see below), whose sum is σ = 1071796992. Its totient is φ = 129499200.

The previous prime is 423701753. The next prime is 423701797. The reversal of 423701772 is 277107324.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14563 + ... + 32549.

It is an arithmetic number, because the mean of its divisors is an integer number (22329104).

Almost surely, 2^423701772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423701772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535898496).

423701772 is an abundant number, since it is smaller than the sum of its proper divisors (648095220).

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

423701772 is a wasteful number, since it uses less digits than its factorization.

423701772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18158 (or 18156 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 423701772 is about 20584.0173921419. The cubic root of 423701772 is about 751.0809728041.

The spelling of 423701772 in words is "four hundred twenty-three million, seven hundred one thousand, seven hundred seventy-two".