234120456 has 80 divisors (see below), whose sum is σ = 658046400. Its totient is φ = 77767776.

The previous prime is 234120443. The next prime is 234120487. The reversal of 234120456 is 654021432.

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

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, 284061 + ... + 284883.

It is an arithmetic number, because the mean of its divisors is an integer number (8225580).

Almost surely, 2^234120456 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 234120456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329023200).

234120456 is an abundant number, since it is smaller than the sum of its proper divisors (423925944).

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

234120456 is a wasteful number, since it uses less digits than its factorization.

234120456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 234120456 is about 15300.9952617469. The cubic root of 234120456 is about 616.3297343573.

Adding to 234120456 its reverse (654021432), we get a palindrome (888141888).

The spelling of 234120456 in words is "two hundred thirty-four million, one hundred twenty thousand, four hundred fifty-six".