234432420 has 24 divisors (see below), whose sum is σ = 656410944. Its totient is φ = 62515296.

The previous prime is 234432403. The next prime is 234432437. The reversal of 234432420 is 24234432.

It is an interprime number because it is at equal distance from previous prime (234432403) and next prime (234432437).

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, 1953544 + ... + 1953663.

It is an arithmetic number, because the mean of its divisors is an integer number (27350456).

Almost surely, 2^234432420 is an apocalyptic number.

234432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234432420 is an abundant number, since it is smaller than the sum of its proper divisors (421978524).

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

234432420 is a wasteful number, since it uses less digits than its factorization.

234432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907219 (or 3907217 counting only the distinct ones).

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

The square root of 234432420 is about 15311.1861068958. The cubic root of 234432420 is about 616.6033646571.

Adding to 234432420 its reverse (24234432), we get a palindrome (258666852).

The spelling of 234432420 in words is "two hundred thirty-four million, four hundred thirty-two thousand, four hundred twenty".