231233122123 has 2 divisors, whose sum is σ = 231233122124. Its totient is φ = 231233122122.

The previous prime is 231233122073. The next prime is 231233122139. The reversal of 231233122123 is 321221332132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231233122123 is a prime.

It is not a weakly prime, because it can be changed into another prime (231233122223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115616561061 + 115616561062.

It is an arithmetic number, because the mean of its divisors is an integer number (115616561062).

Almost surely, 2^231233122123 is an apocalyptic number.

231233122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231233122123 is an equidigital number, since it uses as much as digits as its factorization.

231233122123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 231233122123 its reverse (321221332132), we get a palindrome (552454454255).

The spelling of 231233122123 in words is "two hundred thirty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, one hundred twenty-three".