234023240 has 32 divisors (see below), whose sum is σ = 574421760. Its totient is φ = 85099200.

The previous prime is 234023221. The next prime is 234023269. The reversal of 234023240 is 42320432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265496 + ... + 266375.

It is an arithmetic number, because the mean of its divisors is an integer number (17950680).

Almost surely, 2^234023240 is an apocalyptic number.

234023240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234023240 is an abundant number, since it is smaller than the sum of its proper divisors (340398520).

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

234023240 is a wasteful number, since it uses less digits than its factorization.

234023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531893 (or 531889 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 234023240 is about 15297.8181450820. The cubic root of 234023240 is about 616.2444144502.

Adding to 234023240 its reverse (42320432), we get a palindrome (276343672).

The spelling of 234023240 in words is "two hundred thirty-four million, twenty-three thousand, two hundred forty".