42453234 has 40 divisors (see below), whose sum is σ = 95576448. Its totient is φ = 14084280.

The previous prime is 42453227. The next prime is 42453247. The reversal of 42453234 is 43235424.

42453234 is a `hidden beast` number, since 424 + 5 + 3 + 234 = 666.

42453234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42453198 and 42453207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43419 + ... + 44385.

Almost surely, 2^42453234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42453234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47788224).

42453234 is an abundant number, since it is smaller than the sum of its proper divisors (53123214).

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

42453234 is a wasteful number, since it uses less digits than its factorization.

42453234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1243 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42453234 is about 6515.6146294881. The cubic root of 42453234 is about 348.8485534860.

Adding to 42453234 its reverse (43235424), we get a palindrome (85688658).

The spelling of 42453234 in words is "forty-two million, four hundred fifty-three thousand, two hundred thirty-four".