231333222123 has 6 divisors (see below), whose sum is σ = 334147987524. Its totient is φ = 154222148076.

The previous prime is 231333222077. The next prime is 231333222137. The reversal of 231333222123 is 321222333132.

231333222123 is a `hidden beast` number, since 2 + 313 + 3 + 3 + 222 + 123 = 666.

It is not a de Polignac number, because 231333222123 - 2¹³ = 231333213931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231333222173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12851845665 + ... + 12851845682.

It is an arithmetic number, because the mean of its divisors is an integer number (55691331254).

Almost surely, 2^231333222123 is an apocalyptic number.

231333222123 is a deficient number, since it is larger than the sum of its proper divisors (102814765401).

231333222123 is a wasteful number, since it uses less digits than its factorization.

231333222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25703691353 (or 25703691350 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 231333222123 its reverse (321222333132), we get a palindrome (552555555255).

The spelling of 231333222123 in words is "two hundred thirty-one billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred twenty-three".