3820423 has 2 divisors, whose sum is σ = 3820424. Its totient is φ = 3820422.

The previous prime is 3820391. The next prime is 3820429. The reversal of 3820423 is 3240283.

It is a strong prime.

It is an emirp because it is prime and its reverse (3240283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3820423 - 2⁵ = 3820391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3820394 and 3820403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3820429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910211 + 1910212.

It is an arithmetic number, because the mean of its divisors is an integer number (1910212).

Almost surely, 2^3820423 is an apocalyptic number.

3820423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3820423 is an equidigital number, since it uses as much as digits as its factorization.

3820423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3820423 is about 1954.5902383876. The cubic root of 3820423 is about 156.3281362797.

The spelling of 3820423 in words is "three million, eight hundred twenty thousand, four hundred twenty-three".