20313200123 has 2 divisors, whose sum is σ = 20313200124. Its totient is φ = 20313200122.

The previous prime is 20313200111. The next prime is 20313200153. The reversal of 20313200123 is 32100231302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20313200123 - 2⁴ = 20313200107 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313200153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156600061 + 10156600062.

It is an arithmetic number, because the mean of its divisors is an integer number (10156600062).

Almost surely, 2^20313200123 is an apocalyptic number.

20313200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313200123 is an equidigital number, since it uses as much as digits as its factorization.

20313200123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20313200123 its reverse (32100231302), we get a palindrome (52413431425).

The spelling of 20313200123 in words is "twenty billion, three hundred thirteen million, two hundred thousand, one hundred twenty-three".