10223643 has 4 divisors (see below), whose sum is σ = 13631528. Its totient is φ = 6815760.

The previous prime is 10223641. The next prime is 10223663. The reversal of 10223643 is 34632201.

It is a happy number.

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

It is not a de Polignac number, because 10223643 - 2¹ = 10223641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10223641) 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, 1703938 + ... + 1703943.

It is an arithmetic number, because the mean of its divisors is an integer number (3407882).

Almost surely, 2^10223643 is an apocalyptic number.

10223643 is a deficient number, since it is larger than the sum of its proper divisors (3407885).

10223643 is an equidigital number, since it uses as much as digits as its factorization.

10223643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407884.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 10223643 is about 3197.4431973062. The cubic root of 10223643 is about 217.0377234141.

Adding to 10223643 its reverse (34632201), we get a palindrome (44855844).

The spelling of 10223643 in words is "ten million, two hundred twenty-three thousand, six hundred forty-three".