423197334 has 48 divisors (see below), whose sum is σ = 1055957760. Its totient is φ = 119985840.

The previous prime is 423197311. The next prime is 423197339. The reversal of 423197334 is 433791324.

423197334 is a `hidden beast` number, since 4 + 2 + 319 + 7 + 334 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423197339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3687 + ... + 29325.

It is an arithmetic number, because the mean of its divisors is an integer number (21999120).

Almost surely, 2^423197334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423197334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527978880).

423197334 is an abundant number, since it is smaller than the sum of its proper divisors (632760426).

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

423197334 is a wasteful number, since it uses less digits than its factorization.

423197334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25785 (or 25782 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 423197334 is about 20571.7605955348. The cubic root of 423197334 is about 750.7827880396.

The spelling of 423197334 in words is "four hundred twenty-three million, one hundred ninety-seven thousand, three hundred thirty-four".