202012300123 has 2 divisors, whose sum is σ = 202012300124. Its totient is φ = 202012300122.

The previous prime is 202012300121. The next prime is 202012300153. The reversal of 202012300123 is 321003210202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202012300123 - 2¹ = 202012300121 is a prime.

Together with 202012300121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 202012300097 and 202012300106.

It is not a weakly prime, because it can be changed into another prime (202012300121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006150061 + 101006150062.

It is an arithmetic number, because the mean of its divisors is an integer number (101006150062).

Almost surely, 2^202012300123 is an apocalyptic number.

202012300123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012300123 is an equidigital number, since it uses as much as digits as its factorization.

202012300123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202012300123 its reverse (321003210202), we get a palindrome (523015510325).

The spelling of 202012300123 in words is "two hundred two billion, twelve million, three hundred thousand, one hundred twenty-three".