231935223 has 16 divisors (see below), whose sum is σ = 350564480. Its totient is φ = 135216864.

The previous prime is 231935219. The next prime is 231935227. The reversal of 231935223 is 322539132.

It is an interprime number because it is at equal distance from previous prime (231935219) and next prime (231935227).

It is not a de Polignac number, because 231935223 - 2² = 231935219 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 (231935227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155761 + ... + 157242.

It is an arithmetic number, because the mean of its divisors is an integer number (21910280).

Almost surely, 2^231935223 is an apocalyptic number.

231935223 is a deficient number, since it is larger than the sum of its proper divisors (118629257).

231935223 is a wasteful number, since it uses less digits than its factorization.

231935223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313038.

The product of its digits is 9720, while the sum is 30.

The square root of 231935223 is about 15229.4196540774. The cubic root of 231935223 is about 614.4061714612.

The spelling of 231935223 in words is "two hundred thirty-one million, nine hundred thirty-five thousand, two hundred twenty-three".