235231420 has 24 divisors (see below), whose sum is σ = 494278848. Its totient is φ = 94036800.

The previous prime is 235231417. The next prime is 235231421. The reversal of 235231420 is 24132532.

It is a junction number, because it is equal to n+sod(n) for n = 235231391 and 235231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235231421) 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, 55165 + ... + 59275.

It is an arithmetic number, because the mean of its divisors is an integer number (20594952).

Almost surely, 2^235231420 is an apocalyptic number.

235231420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235231420 is an abundant number, since it is smaller than the sum of its proper divisors (259047428).

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

235231420 is a wasteful number, since it uses less digits than its factorization.

235231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 235231420 is about 15337.2559475286. The cubic root of 235231420 is about 617.3030793681.

Adding to 235231420 its reverse (24132532), we get a palindrome (259363952).

The spelling of 235231420 in words is "two hundred thirty-five million, two hundred thirty-one thousand, four hundred twenty".