234542320 has 20 divisors (see below), whose sum is σ = 545311080. Its totient is φ = 93816896.

The previous prime is 234542317. The next prime is 234542333. The reversal of 234542320 is 23245432.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×234542320⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465810 + ... + 1465969.

It is an arithmetic number, because the mean of its divisors is an integer number (27265554).

Almost surely, 2^234542320 is an apocalyptic number.

234542320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234542320 is an abundant number, since it is smaller than the sum of its proper divisors (310768760).

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

234542320 is a wasteful number, since it uses less digits than its factorization.

234542320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931792 (or 2931786 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 234542320 is about 15314.7745657584. The cubic root of 234542320 is about 616.6997024750.

Adding to 234542320 its reverse (23245432), we get a palindrome (257787752).

The spelling of 234542320 in words is "two hundred thirty-four million, five hundred forty-two thousand, three hundred twenty".