10123013213 has 4 divisors (see below), whose sum is σ = 10128896988. Its totient is φ = 10117129440.

The previous prime is 10123013167. The next prime is 10123013279. The reversal of 10123013213 is 31231032101.

10123013213 is digitally balanced in base 3, 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: 31231032101 = 118709 ⋅263089.

It can be written as a sum of positive squares in 2 ways, for example, as 3881539204 + 6241474009 = 62302^2 + 79003^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123013213 - 2⁸ = 10123012957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123013191 and 10123013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123013293) 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, 2939306 + ... + 2942747.

It is an arithmetic number, because the mean of its divisors is an integer number (2532224247).

Almost surely, 2^10123013213 is an apocalyptic number.

It is an amenable number.

10123013213 is a deficient number, since it is larger than the sum of its proper divisors (5883775).

10123013213 is an equidigital number, since it uses as much as digits as its factorization.

10123013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883774.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10123013213 its reverse (31231032101), we get a palindrome (41354045314).

The spelling of 10123013213 in words is "ten billion, one hundred twenty-three million, thirteen thousand, two hundred thirteen".