231123343 has 16 divisors (see below), whose sum is σ = 264114432. Its totient is φ = 200200000.

The previous prime is 231123341. The next prime is 231123367. The reversal of 231123343 is 343321132.

It is not a de Polignac number, because 231123343 - 2¹ = 231123341 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 (231123341) 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, 69468 + ... + 72718.

It is an arithmetic number, because the mean of its divisors is an integer number (16507152).

Almost surely, 2^231123343 is an apocalyptic number.

231123343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231123343 is a deficient number, since it is larger than the sum of its proper divisors (32991089).

231123343 is a wasteful number, since it uses less digits than its factorization.

231123343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566.

The product of its digits is 1296, while the sum is 22.

The square root of 231123343 is about 15202.7412988579. The cubic root of 231123343 is about 613.6884319009.

Adding to 231123343 its reverse (343321132), we get a palindrome (574444475).

It can be divided in two parts, 23 and 1123343, that multiplied together give a square (25836889 = 5083²).

The spelling of 231123343 in words is "two hundred thirty-one million, one hundred twenty-three thousand, three hundred forty-three".