8423407 has 2 divisors, whose sum is σ = 8423408. Its totient is φ = 8423406.

The previous prime is 8423377. The next prime is 8423419. The reversal of 8423407 is 7043248.

8423407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8423407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8423447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211703 + 4211704.

It is an arithmetic number, because the mean of its divisors is an integer number (4211704).

Almost surely, 2^8423407 is an apocalyptic number.

8423407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423407 is an equidigital number, since it uses as much as digits as its factorization.

8423407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 8423407 is about 2902.3106312040. The cubic root of 8423407 is about 203.4679120424.

The spelling of 8423407 in words is "eight million, four hundred twenty-three thousand, four hundred seven".