210000000000023 has 2 divisors, whose sum is σ = 210000000000024. Its totient is φ = 210000000000022.

The previous prime is 209999999999989. The next prime is 210000000000061. The reversal of 210000000000023 is 320000000000012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210000000000023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210000000006023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000000000011 + 105000000000012.

It is an arithmetic number, because the mean of its divisors is an integer number (105000000000012).

Almost surely, 2^{210000000000023} is an apocalyptic number.

210000000000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

210000000000023 is an equidigital number, since it uses as much as digits as its factorization.

210000000000023 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 8.

Adding to 210000000000023 its reverse (320000000000012), we get a palindrome (530000000000035).

The spelling of 210000000000023 in words is "two hundred ten trillion, twenty-three", and thus it is an aban number.