10421303 has 4 divisors (see below), whose sum is σ = 10428600. Its totient is φ = 10414008.

The previous prime is 10421297. The next prime is 10421311. The reversal of 10421303 is 30312401.

10421303 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30312401 = 7 ⋅4330343.

It is a cyclic number.

It is not a de Polignac number, because 10421303 - 2⁴ = 10421287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421393) 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, 725 + ... + 4622.

It is an arithmetic number, because the mean of its divisors is an integer number (2607150).

Almost surely, 2^10421303 is an apocalyptic number.

10421303 is a deficient number, since it is larger than the sum of its proper divisors (7297).

10421303 is an equidigital number, since it uses as much as digits as its factorization.

10421303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10421303 is about 3228.2042996068. The cubic root of 10421303 is about 218.4275130599.

Adding to 10421303 its reverse (30312401), we get a palindrome (40733704).

The spelling of 10421303 in words is "ten million, four hundred twenty-one thousand, three hundred three".