10213123 has 4 divisors (see below), whose sum is σ = 10251360. Its totient is φ = 10174888.

The previous prime is 10213109. The next prime is 10213129. The reversal of 10213123 is 32131201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32131201 = 61 ⋅526741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10213123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18715 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (2562840).

Almost surely, 2^10213123 is an apocalyptic number.

10213123 is a deficient number, since it is larger than the sum of its proper divisors (38237).

10213123 is an equidigital number, since it uses as much as digits as its factorization.

10213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38236.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10213123 is about 3195.7977094929. The cubic root of 10213123 is about 216.9632548370.

Adding to 10213123 its reverse (32131201), we get a palindrome (42344324).

It can be divided in two parts, 102 and 13123, that added together give a square (13225 = 115²).

The spelling of 10213123 in words is "ten million, two hundred thirteen thousand, one hundred twenty-three".