232046821 has 4 divisors (see below), whose sum is σ = 245696652. Its totient is φ = 218396992.

The previous prime is 232046819. The next prime is 232046833. The reversal of 232046821 is 128640232.

232046821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112996900 + 119049921 = 10630^2 + 10911^2 .

It is a cyclic number.

It is not a de Polignac number, because 232046821 - 2¹ = 232046819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232046821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232046861) 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, 6824890 + ... + 6824923.

It is an arithmetic number, because the mean of its divisors is an integer number (61424163).

Almost surely, 2^232046821 is an apocalyptic number.

It is an amenable number.

232046821 is a deficient number, since it is larger than the sum of its proper divisors (13649831).

232046821 is a wasteful number, since it uses less digits than its factorization.

232046821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649830.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 232046821 is about 15233.0831088129. The cubic root of 232046821 is about 614.5046982608.

It can be divided in two parts, 2320 and 46821, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 232046821 in words is "two hundred thirty-two million, forty-six thousand, eight hundred twenty-one".