210424434113123 has 16 divisors (see below), whose sum is σ = 220323630320640. Its totient is φ = 200587972406976.

The previous prime is 210424434113107. The next prime is 210424434113137. The reversal of 210424434113123 is 321311434424012.

It is a cyclic number.

It is not a de Polignac number, because 210424434113123 - 2⁴ = 210424434113107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210424404113123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42022463 + ... + 46762551.

It is an arithmetic number, because the mean of its divisors is an integer number (13770226895040).

Almost surely, 2^{210424434113123} is an apocalyptic number.

210424434113123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

210424434113123 is a deficient number, since it is larger than the sum of its proper divisors (9899196207517).

210424434113123 is a wasteful number, since it uses less digits than its factorization.

210424434113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746706.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 210424434113123 its reverse (321311434424012), we get a palindrome (531735868537135).

The spelling of 210424434113123 in words is "two hundred ten trillion, four hundred twenty-four billion, four hundred thirty-four million, one hundred thirteen thousand, one hundred twenty-three".