2423857 has 2 divisors, whose sum is σ = 2423858. Its totient is φ = 2423856.

The previous prime is 2423851. The next prime is 2423873. The reversal of 2423857 is 7583242.

2423857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1852321 + 571536 = 1361^2 + 756^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423857 - 2¹⁵ = 2391089 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 4⁶ + 2²⁰ + 3¹² + 8² + 5⁶ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (2423851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211928 + 1211929.

It is an arithmetic number, because the mean of its divisors is an integer number (1211929).

2^2423857 is an apocalyptic number.

It is an amenable number.

2423857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423857 is an equidigital number, since it uses as much as digits as its factorization.

2423857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 2423857 is about 1556.8741118022. The cubic root of 2423857 is about 134.3287576237.

The spelling of 2423857 in words is "two million, four hundred twenty-three thousand, eight hundred fifty-seven".