20010012023 has 2 divisors, whose sum is σ = 20010012024. Its totient is φ = 20010012022.

The previous prime is 20010012017. The next prime is 20010012049. The reversal of 20010012023 is 32021001002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010012023 - 2⁴ = 20010012007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010011995 and 20010012013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010012623) 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, 10005006011 + 10005006012.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006012).

Almost surely, 2^20010012023 is an apocalyptic number.

20010012023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010012023 is an equidigital number, since it uses as much as digits as its factorization.

20010012023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20010012023 its reverse (32021001002), we get a palindrome (52031013025).

The spelling of 20010012023 in words is "twenty billion, ten million, twelve thousand, twenty-three".