202000106123 has 2 divisors, whose sum is σ = 202000106124. Its totient is φ = 202000106122.

The previous prime is 202000106117. The next prime is 202000106171. The reversal of 202000106123 is 321601000202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202000106123 - 2²⁴ = 201983328907 is a prime.

It is a super-2 number, since 2×202000106123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202000106423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000053061 + 101000053062.

It is an arithmetic number, because the mean of its divisors is an integer number (101000053062).

Almost surely, 2^202000106123 is an apocalyptic number.

202000106123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202000106123 is an equidigital number, since it uses as much as digits as its factorization.

202000106123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202000106123 its reverse (321601000202), we get a palindrome (523601106325).

The spelling of 202000106123 in words is "two hundred two billion, one hundred six thousand, one hundred twenty-three".