20430102023 has 2 divisors, whose sum is σ = 20430102024. Its totient is φ = 20430102022.

The previous prime is 20430101977. The next prime is 20430102041. The reversal of 20430102023 is 32020103402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20430102023 - 2⁸ = 20430101767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20430101992 and 20430102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20430101023) 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, 10215051011 + 10215051012.

It is an arithmetic number, because the mean of its divisors is an integer number (10215051012).

Almost surely, 2^20430102023 is an apocalyptic number.

20430102023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430102023 is an equidigital number, since it uses as much as digits as its factorization.

20430102023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20430102023 its reverse (32020103402), we get a palindrome (52450205425).

The spelling of 20430102023 in words is "twenty billion, four hundred thirty million, one hundred two thousand, twenty-three".