1020101023 has 2 divisors, whose sum is σ = 1020101024. Its totient is φ = 1020101022.

The previous prime is 1020101021. The next prime is 1020101039. The reversal of 1020101023 is 3201010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020101023 - 2¹ = 1020101021 is a prime.

Together with 1020101021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510050511 + 510050512.

It is an arithmetic number, because the mean of its divisors is an integer number (510050512).

Almost surely, 2^1020101023 is an apocalyptic number.

1020101023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020101023 is an equidigital number, since it uses as much as digits as its factorization.

1020101023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020101023 is about 31939.0203825978. The cubic root of 1020101023 is about 1006.6559411578.

Adding to 1020101023 its reverse (3201010201), we get a palindrome (4221111224).

The spelling of 1020101023 in words is "one billion, twenty million, one hundred one thousand, twenty-three".