10406423 has 2 divisors, whose sum is σ = 10406424. Its totient is φ = 10406422.

The previous prime is 10406393. The next prime is 10406443. The reversal of 10406423 is 32460401.

It is a happy number.

It is an a-pointer prime, because the next prime (10406443) can be obtained adding 10406423 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10406423 - 2²⁰ = 9357847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10406395 and 10406404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10406443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5203211 + 5203212.

It is an arithmetic number, because the mean of its divisors is an integer number (5203212).

Almost surely, 2^10406423 is an apocalyptic number.

10406423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10406423 is an equidigital number, since it uses as much as digits as its factorization.

10406423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 10406423 is about 3225.8987894849. The cubic root of 10406423 is about 218.3235033678.

Adding to 10406423 its reverse (32460401), we get a palindrome (42866824).

The spelling of 10406423 in words is "ten million, four hundred six thousand, four hundred twenty-three".