234001420 has 24 divisors (see below), whose sum is σ = 492036048. Its totient is φ = 93480000.

The previous prime is 234001409. The next prime is 234001421. The reversal of 234001420 is 24100432.

It is a junction number, because it is equal to n+sod(n) for n = 234001394 and 234001403.

It is not an unprimeable number, because it can be changed into a prime (234001421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9295 + ... + 23545.

It is an arithmetic number, because the mean of its divisors is an integer number (20501502).

Almost surely, 2^234001420 is an apocalyptic number.

234001420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234001420 is an abundant number, since it is smaller than the sum of its proper divisors (258034628).

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

234001420 is a wasteful number, since it uses less digits than its factorization.

234001420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15081 (or 15079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 234001420 is about 15297.1049548599. The cubic root of 234001420 is about 616.2252612654.

Adding to 234001420 its reverse (24100432), we get a palindrome (258101852).

The spelling of 234001420 in words is "two hundred thirty-four million, one thousand, four hundred twenty".