20280148106123 has 2 divisors, whose sum is σ = 20280148106124. Its totient is φ = 20280148106122.

The previous prime is 20280148106077. The next prime is 20280148106161. The reversal of 20280148106123 is 32160184108202.

It is an a-pointer prime, because the next prime (20280148106161) can be obtained adding 20280148106123 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20280148106123 - 2⁴⁰ = 19180636478347 is a prime.

It is a super-4 number, since 4×20280148106123⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (20280148106423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10140074053061 + 10140074053062.

It is an arithmetic number, because the mean of its divisors is an integer number (10140074053062).

Almost surely, 2^{20280148106123} is an apocalyptic number.

20280148106123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20280148106123 is an equidigital number, since it uses as much as digits as its factorization.

20280148106123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 20280148106123 in words is "twenty trillion, two hundred eighty billion, one hundred forty-eight million, one hundred six thousand, one hundred twenty-three".