423354672 has 240 divisors, whose sum is σ = 1381974048. Its totient is φ = 119808000.

The previous prime is 423354671. The next prime is 423354683. The reversal of 423354672 is 276453324.

423354672 is a `hidden beast` number, since 42 + 3 + 3 + 546 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423354671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1686547 + ... + 1686797.

Almost surely, 2^423354672 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 423354672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690987024).

423354672 is an abundant number, since it is smaller than the sum of its proper divisors (958619376).

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

423354672 is a wasteful number, since it uses less digits than its factorization.

423354672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 339 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 423354672 is about 20575.5843659421. The cubic root of 423354672 is about 750.8758195221.

The spelling of 423354672 in words is "four hundred twenty-three million, three hundred fifty-four thousand, six hundred seventy-two".