210230012123 has 2 divisors, whose sum is σ = 210230012124. Its totient is φ = 210230012122.

The previous prime is 210230012093. The next prime is 210230012147. The reversal of 210230012123 is 321210032012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210230012123 - 2⁸ = 210230011867 is a prime.

It is not a weakly prime, because it can be changed into another prime (210230012173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105115006061 + 105115006062.

It is an arithmetic number, because the mean of its divisors is an integer number (105115006062).

Almost surely, 2^210230012123 is an apocalyptic number.

210230012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

210230012123 is an equidigital number, since it uses as much as digits as its factorization.

210230012123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210230012123 its reverse (321210032012), we get a palindrome (531440044135).

The spelling of 210230012123 in words is "two hundred ten billion, two hundred thirty million, twelve thousand, one hundred twenty-three".