232243420 has 24 divisors (see below), whose sum is σ = 508917024. Its totient is φ = 88858176.

The previous prime is 232243391. The next prime is 232243421. The reversal of 232243420 is 24342232.

It is a super-2 number, since 2×232243420² = 107874012266592800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232243391 and 232243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232243421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251979 + ... + 252898.

It is an arithmetic number, because the mean of its divisors is an integer number (21204876).

Almost surely, 2^232243420 is an apocalyptic number.

232243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232243420 is an abundant number, since it is smaller than the sum of its proper divisors (276673604).

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

232243420 is a wasteful number, since it uses less digits than its factorization.

232243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504909 (or 504907 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 232243420 is about 15239.5347698019. The cubic root of 232243420 is about 614.6781932852.

Adding to 232243420 its reverse (24342232), we get a palindrome (256585652).

The spelling of 232243420 in words is "two hundred thirty-two million, two hundred forty-three thousand, four hundred twenty".