2381243 has 2 divisors, whose sum is σ = 2381244. Its totient is φ = 2381242.

The previous prime is 2381231. The next prime is 2381263. The reversal of 2381243 is 3421832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2381243 - 2⁶ = 2381179 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (2381263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190621 + 1190622.

It is an arithmetic number, because the mean of its divisors is an integer number (1190622).

2^2381243 is an apocalyptic number.

2381243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381243 is an equidigital number, since it uses as much as digits as its factorization.

2381243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2381243 is about 1543.1276680819. The cubic root of 2381243 is about 133.5368842335.

The spelling of 2381243 in words is "two million, three hundred eighty-one thousand, two hundred forty-three".