232132021 has 4 divisors (see below), whose sum is σ = 253234944. Its totient is φ = 211029100.

The previous prime is 232132009. The next prime is 232132051. The reversal of 232132021 is 120231232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232132021 - 2⁹ = 232131509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232131986 and 232132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232132001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10551445 + ... + 10551466.

It is an arithmetic number, because the mean of its divisors is an integer number (63308736).

Almost surely, 2^232132021 is an apocalyptic number.

It is an amenable number.

232132021 is a deficient number, since it is larger than the sum of its proper divisors (21102923).

232132021 is a wasteful number, since it uses less digits than its factorization.

232132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21102922.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 232132021 is about 15235.8793970023. The cubic root of 232132021 is about 614.5798977307.

Adding to 232132021 its reverse (120231232), we get a palindrome (352363253).

The spelling of 232132021 in words is "two hundred thirty-two million, one hundred thirty-two thousand, twenty-one".