123334443231 has 16 divisors (see below), whose sum is σ = 171993922560. Its totient is φ = 78465553760.

The previous prime is 123334443187. The next prime is 123334443283. The reversal of 123334443231 is 132344433321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123334443231 - 2²⁶ = 123267334367 is a prime.

It is a super-2 number, since 2×123334443231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123334443192 and 123334443201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123334445231) 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, 2043876 + ... + 2103353.

It is an arithmetic number, because the mean of its divisors is an integer number (10749620160).

Almost surely, 2^123334443231 is an apocalyptic number.

123334443231 is a deficient number, since it is larger than the sum of its proper divisors (48659479329).

123334443231 is a wasteful number, since it uses less digits than its factorization.

123334443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147686.

The product of its digits is 62208, while the sum is 33.

Adding to 123334443231 its reverse (132344433321), we get a palindrome (255678876552).

The spelling of 123334443231 in words is "one hundred twenty-three billion, three hundred thirty-four million, four hundred forty-three thousand, two hundred thirty-one".