232713221 has 16 divisors (see below), whose sum is σ = 269111808. Its totient is φ = 199315200.

The previous prime is 232713209. The next prime is 232713227. The reversal of 232713221 is 122317232.

It is a cyclic number.

It is not a de Polignac number, because 232713221 - 2⁶ = 232713157 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 (232713227) 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, 8276 + ... + 23106.

It is an arithmetic number, because the mean of its divisors is an integer number (16819488).

Almost surely, 2^232713221 is an apocalyptic number.

It is an amenable number.

232713221 is a deficient number, since it is larger than the sum of its proper divisors (36398587).

232713221 is a wasteful number, since it uses less digits than its factorization.

232713221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14932.

The product of its digits is 1008, while the sum is 23.

The square root of 232713221 is about 15254.9408717307. The cubic root of 232713221 is about 615.0923879095.

The spelling of 232713221 in words is "two hundred thirty-two million, seven hundred thirteen thousand, two hundred twenty-one".