3872423 has 2 divisors, whose sum is σ = 3872424. Its totient is φ = 3872422.

The previous prime is 3872417. The next prime is 3872459. The reversal of 3872423 is 3242783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3872423 - 2⁶ = 3872359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872023) 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, 1936211 + 1936212.

It is an arithmetic number, because the mean of its divisors is an integer number (1936212).

Almost surely, 2^3872423 is an apocalyptic number.

3872423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872423 is an equidigital number, since it uses as much as digits as its factorization.

3872423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 3872423 is about 1967.8473009865. The cubic root of 3872423 is about 157.0342062404.

The spelling of 3872423 in words is "three million, eight hundred seventy-two thousand, four hundred twenty-three".