232513420 has 24 divisors (see below), whose sum is σ = 517001184. Its totient is φ = 87534336.

The previous prime is 232513409. The next prime is 232513429. The reversal of 232513420 is 24315232.

It is a junction number, because it is equal to n+sod(n) for n = 232513391 and 232513400.

It is not an unprimeable number, because it can be changed into a prime (232513429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341592 + ... + 342271.

It is an arithmetic number, because the mean of its divisors is an integer number (21541716).

Almost surely, 2^232513420 is an apocalyptic number.

232513420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232513420 is an abundant number, since it is smaller than the sum of its proper divisors (284487764).

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

232513420 is a wasteful number, since it uses less digits than its factorization.

232513420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683889 (or 683887 counting only the distinct ones).

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

The square root of 232513420 is about 15248.3907347628. The cubic root of 232513420 is about 614.9163038547.

Adding to 232513420 its reverse (24315232), we get a palindrome (256828652).

The spelling of 232513420 in words is "two hundred thirty-two million, five hundred thirteen thousand, four hundred twenty".