10430321 has 6 divisors (see below), whose sum is σ = 11464866. Its totient is φ = 9482000.

The previous prime is 10430311. The next prime is 10430323. The reversal of 10430321 is 12303401.

10430321 = 75² + 76² + ... + 316².

It can be written as a sum of positive squares in only one way, i.e., 6682225 + 3748096 = 2585^2 + 1936^2 .

It is not a de Polignac number, because 10430321 - 2¹⁴ = 10413937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10430296 and 10430305.

It is not an unprimeable number, because it can be changed into a prime (10430323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42980 + ... + 43221.

It is an arithmetic number, because the mean of its divisors is an integer number (1910811).

Almost surely, 2^10430321 is an apocalyptic number.

10430321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10430321 is a deficient number, since it is larger than the sum of its proper divisors (1034545).

10430321 is an equidigital number, since it uses as much as digits as its factorization.

10430321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86223 (or 86212 counting only the distinct ones).

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

The square root of 10430321 is about 3229.6007493187. The cubic root of 10430321 is about 218.4904997903.

Adding to 10430321 its reverse (12303401), we get a palindrome (22733722).

Subtracting 10430321 from its reverse (12303401), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 10430321 in words is "ten million, four hundred thirty thousand, three hundred twenty-one".