10213123443 has 4 divisors (see below), whose sum is σ = 13617497928. Its totient is φ = 6808748960.

The previous prime is 10213123423. The next prime is 10213123471. The reversal of 10213123443 is 34432131201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10213123443 - 2⁶ = 10213123379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10213123423) 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, 1702187238 + ... + 1702187243.

It is an arithmetic number, because the mean of its divisors is an integer number (3404374482).

Almost surely, 2^10213123443 is an apocalyptic number.

10213123443 is a deficient number, since it is larger than the sum of its proper divisors (3404374485).

10213123443 is an equidigital number, since it uses as much as digits as its factorization.

10213123443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404374484.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 10213123443 its reverse (34432131201), we get a palindrome (44645254644).

The spelling of 10213123443 in words is "ten billion, two hundred thirteen million, one hundred twenty-three thousand, four hundred forty-three".