103130021023 has 2 divisors, whose sum is σ = 103130021024. Its totient is φ = 103130021022.

The previous prime is 103130021003. The next prime is 103130021077. The reversal of 103130021023 is 320120031301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103130021023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103130020988 and 103130021006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103130021003) 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, 51565010511 + 51565010512.

It is an arithmetic number, because the mean of its divisors is an integer number (51565010512).

Almost surely, 2^103130021023 is an apocalyptic number.

103130021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

103130021023 is an equidigital number, since it uses as much as digits as its factorization.

103130021023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103130021023 its reverse (320120031301), we get a palindrome (423250052324).

The spelling of 103130021023 in words is "one hundred three billion, one hundred thirty million, twenty-one thousand, twenty-three".