10213232123 has 4 divisors (see below), whose sum is σ = 10217027328. Its totient is φ = 10209436920.

The previous prime is 10213232119. The next prime is 10213232189. The reversal of 10213232123 is 32123231201.

10213232123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123231201 = 19 ⋅1690696379.

It is a cyclic number.

It is not a de Polignac number, because 10213232123 - 2² = 10213232119 is a prime.

It is a super-2 number, since 2×10213232123² (a number of 21 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 = 10213232095 and 10213232104.

It is not an unprimeable number, because it can be changed into a prime (10213231123) 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 3 ways as a sum of consecutive naturals, for example, 1893563 + ... + 1898948.

It is an arithmetic number, because the mean of its divisors is an integer number (2554256832).

Almost surely, 2^10213232123 is an apocalyptic number.

10213232123 is a deficient number, since it is larger than the sum of its proper divisors (3795205).

10213232123 is an equidigital number, since it uses as much as digits as its factorization.

10213232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795204.

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

Adding to 10213232123 its reverse (32123231201), we get a palindrome (42336463324).

The spelling of 10213232123 in words is "ten billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred twenty-three".