10123210031323 has 4 divisors (see below), whose sum is σ = 10718692974360. Its totient is φ = 9527727088288.

The previous prime is 10123210031303. The next prime is 10123210031369. The reversal of 10123210031323 is 32313001232101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123210031323 is a prime.

It is a super-2 number, since 2×10123210031323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123210031294 and 10123210031303.

It is not an unprimeable number, because it can be changed into a prime (10123210031303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297741471493 + ... + 297741471526.

It is an arithmetic number, because the mean of its divisors is an integer number (2679673243590).

Almost surely, 2^{10123210031323} is an apocalyptic number.

10123210031323 is a deficient number, since it is larger than the sum of its proper divisors (595482943037).

10123210031323 is an equidigital number, since it uses as much as digits as its factorization.

10123210031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595482943036.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 10123210031323 its reverse (32313001232101), we get a palindrome (42436211263424).

The spelling of 10123210031323 in words is "ten trillion, one hundred twenty-three billion, two hundred ten million, thirty-one thousand, three hundred twenty-three".