2378543 has 2 divisors, whose sum is σ = 2378544. Its totient is φ = 2378542.

The previous prime is 2378539. The next prime is 2378549. The reversal of 2378543 is 3458732.

It is a happy number.

2378543 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 is a cyclic number.

It is not a de Polignac number, because 2378543 - 2² = 2378539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2378549) 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, 1189271 + 1189272.

It is an arithmetic number, because the mean of its divisors is an integer number (1189272).

2^2378543 is an apocalyptic number.

2378543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378543 is an equidigital number, since it uses as much as digits as its factorization.

2378543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 2378543 is about 1542.2525733485. The cubic root of 2378543 is about 133.4863943641.

The spelling of 2378543 in words is "two million, three hundred seventy-eight thousand, five hundred forty-three".