10123310021 has 8 divisors (see below), whose sum is σ = 11046816288. Its totient is φ = 9200338000.

The previous prime is 10123310011. The next prime is 10123310047. The reversal of 10123310021 is 12001332101.

10123310021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10123310021 - 2¹⁰ = 10123308997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123309978 and 10123310005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123310011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93410 + ... + 170211.

It is an arithmetic number, because the mean of its divisors is an integer number (1380852036).

Almost surely, 2^10123310021 is an apocalyptic number.

10123310021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10123310021 is a deficient number, since it is larger than the sum of its proper divisors (923506267).

10123310021 is a wasteful number, since it uses less digits than its factorization.

10123310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267123.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10123310021 its reverse (12001332101), we get a palindrome (22124642122).

The spelling of 10123310021 in words is "ten billion, one hundred twenty-three million, three hundred ten thousand, twenty-one".