234423240 has 256 divisors, whose sum is σ = 783820800. Its totient is φ = 55910400.

The previous prime is 234423239. The next prime is 234423247. The reversal of 234423240 is 42324432.

234423240 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 234423240.

It is not an unprimeable number, because it can be changed into a prime (234423247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4423054 + ... + 4423106.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^234423240 is an apocalyptic number.

234423240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391910400).

234423240 is an abundant number, since it is smaller than the sum of its proper divisors (549397560).

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

234423240 is a wasteful number, since it uses less digits than its factorization.

234423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 234423240 is about 15310.8863231362. The cubic root of 234423240 is about 616.5953161503.

Adding to 234423240 its reverse (42324432), we get a palindrome (276747672).

The spelling of 234423240 in words is "two hundred thirty-four million, four hundred twenty-three thousand, two hundred forty".