10213430123 has 4 divisors (see below), whose sum is σ = 10999078608. Its totient is φ = 9427781640.

The previous prime is 10213430099. The next prime is 10213430167. The reversal of 10213430123 is 32103431201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10213430123 - 2¹⁴ = 10213413739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213430095 and 10213430104.

It is not an unprimeable number, because it can be changed into a prime (10213430723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392824223 + ... + 392824248.

It is an arithmetic number, because the mean of its divisors is an integer number (2749769652).

Almost surely, 2^10213430123 is an apocalyptic number.

10213430123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10213430123 is a deficient number, since it is larger than the sum of its proper divisors (785648485).

10213430123 is an equidigital number, since it uses as much as digits as its factorization.

10213430123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785648484.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10213430123 its reverse (32103431201), we get a palindrome (42316861324).

The spelling of 10213430123 in words is "ten billion, two hundred thirteen million, four hundred thirty thousand, one hundred twenty-three".