10321213123 has 12 divisors (see below), whose sum is σ = 11291461608. Its totient is φ = 9429039360.

The previous prime is 10321213109. The next prime is 10321213139. The reversal of 10321213123 is 32131212301.

10321213123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10321213123 - 2⁹ = 10321212611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10321213123.

It is not an unprimeable number, because it can be changed into a prime (10321213153) 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 in 11 ways as a sum of consecutive naturals, for example, 298413 + ... + 331198.

It is an arithmetic number, because the mean of its divisors is an integer number (940955134).

Almost surely, 2^10321213123 is an apocalyptic number.

10321213123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10321213123 is a deficient number, since it is larger than the sum of its proper divisors (970248485).

10321213123 is an equidigital number, since it uses as much as digits as its factorization.

10321213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629734 (or 629721 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10321213123 its reverse (32131212301), we get a palindrome (42452425424).

The spelling of 10321213123 in words is "ten billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred twenty-three".