14023421 has 2 divisors, whose sum is σ = 14023422. Its totient is φ = 14023420.

The previous prime is 14023417. The next prime is 14023441. The reversal of 14023421 is 12432041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 2044900 = 3461^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 14023421 - 2² = 14023417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14023421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14023441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7011710 + 7011711.

It is an arithmetic number, because the mean of its divisors is an integer number (7011711).

Almost surely, 2^14023421 is an apocalyptic number.

It is an amenable number.

14023421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14023421 is an equidigital number, since it uses as much as digits as its factorization.

14023421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14023421 is about 3744.7858416737. The cubic root of 14023421 is about 241.1485514018.

Adding to 14023421 its reverse (12432041), we get a palindrome (26455462).

The spelling of 14023421 in words is "fourteen million, twenty-three thousand, four hundred twenty-one".