20312332123 has 2 divisors, whose sum is σ = 20312332124. Its totient is φ = 20312332122.

The previous prime is 20312332091. The next prime is 20312332129. The reversal of 20312332123 is 32123321302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20312332123 - 2⁵ = 20312332091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312332094 and 20312332103.

It is not a weakly prime, because it can be changed into another prime (20312332129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156166061 + 10156166062.

It is an arithmetic number, because the mean of its divisors is an integer number (10156166062).

Almost surely, 2^20312332123 is an apocalyptic number.

20312332123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312332123 is an equidigital number, since it uses as much as digits as its factorization.

20312332123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20312332123 its reverse (32123321302), we get a palindrome (52435653425).

The spelling of 20312332123 in words is "twenty billion, three hundred twelve million, three hundred thirty-two thousand, one hundred twenty-three".