232043021 has 16 divisors (see below), whose sum is σ = 284208384. Its totient is φ = 185099904.

The previous prime is 232043011. The next prime is 232043023. The reversal of 232043021 is 120340232.

232043021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 232043021 - 2¹⁸ = 231780877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232043023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13520 + ... + 25433.

It is an arithmetic number, because the mean of its divisors is an integer number (17763024).

Almost surely, 2^232043021 is an apocalyptic number.

It is an amenable number.

232043021 is a deficient number, since it is larger than the sum of its proper divisors (52165363).

232043021 is a wasteful number, since it uses less digits than its factorization.

232043021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39020.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 232043021 is about 15232.9583797764. The cubic root of 232043021 is about 614.5013438651.

Adding to 232043021 its reverse (120340232), we get a palindrome (352383253).

The spelling of 232043021 in words is "two hundred thirty-two million, forty-three thousand, twenty-one".