2378443 has 2 divisors, whose sum is σ = 2378444. Its totient is φ = 2378442.

The previous prime is 2378423. The next prime is 2378447. The reversal of 2378443 is 3448732.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2378443 - 2²¹ = 281291 is a prime.

It is a super-2 number, since 2×2378443² = 11313982208498, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 3⁴ + 7⁵ + 8 + 4³ + 4⁹ + 3⁷ .

It is not a weakly prime, because it can be changed into another prime (2378447) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189221 + 1189222.

It is an arithmetic number, because the mean of its divisors is an integer number (1189222).

2^2378443 is an apocalyptic number.

2378443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378443 is an equidigital number, since it uses as much as digits as its factorization.

2378443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 2378443 is about 1542.2201528965. The cubic root of 2378443 is about 133.4845236353.

The spelling of 2378443 in words is "two million, three hundred seventy-eight thousand, four hundred forty-three".