13020100123 has 2 divisors, whose sum is σ = 13020100124. Its totient is φ = 13020100122.

The previous prime is 13020100111. The next prime is 13020100127. The reversal of 13020100123 is 32100102031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13020100123 - 2⁵ = 13020100091 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020100127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510050061 + 6510050062.

It is an arithmetic number, because the mean of its divisors is an integer number (6510050062).

Almost surely, 2^13020100123 is an apocalyptic number.

13020100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020100123 is an equidigital number, since it uses as much as digits as its factorization.

13020100123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13020100123 its reverse (32100102031), we get a palindrome (45120202154).

The spelling of 13020100123 in words is "thirteen billion, twenty million, one hundred thousand, one hundred twenty-three".