10138223 has 4 divisors (see below), whose sum is σ = 10147368. Its totient is φ = 10129080.

The previous prime is 10138217. The next prime is 10138231. The reversal of 10138223 is 32283101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32283101 = 643 ⋅50207.

It is a cyclic number.

It is not a de Polignac number, because 10138223 - 2⁴ = 10138207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10138195 and 10138204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138213) 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, 2636 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (2536842).

Almost surely, 2^10138223 is an apocalyptic number.

10138223 is a deficient number, since it is larger than the sum of its proper divisors (9145).

10138223 is an equidigital number, since it uses as much as digits as its factorization.

10138223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10138223 is about 3184.0576313880. The cubic root of 10138223 is about 216.4315716946.

The spelling of 10138223 in words is "ten million, one hundred thirty-eight thousand, two hundred twenty-three".