10312321123 has 4 divisors (see below), whose sum is σ = 11105576608. Its totient is φ = 9519065640.

The previous prime is 10312321109. The next prime is 10312321163. The reversal of 10312321123 is 32112321301.

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 10312321123 - 2²⁵ = 10278766691 is a prime.

It is a super-3 number, since 3×10312321123³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 10312321123.

It is not an unprimeable number, because it can be changed into a prime (10312321163) 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, 396627723 + ... + 396627748.

It is an arithmetic number, because the mean of its divisors is an integer number (2776394152).

Almost surely, 2^10312321123 is an apocalyptic number.

10312321123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10312321123 is a deficient number, since it is larger than the sum of its proper divisors (793255485).

10312321123 is an equidigital number, since it uses as much as digits as its factorization.

10312321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793255484.

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

Adding to 10312321123 its reverse (32112321301), we get a palindrome (42424642424).

The spelling of 10312321123 in words is "ten billion, three hundred twelve million, three hundred twenty-one thousand, one hundred twenty-three".