361823243 has 2 divisors, whose sum is σ = 361823244. Its totient is φ = 361823242.

The previous prime is 361823201. The next prime is 361823263. The reversal of 361823243 is 342328163.

It is a strong prime.

It is an emirp because it is prime and its reverse (342328163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361823243 - 2¹⁶ = 361757707 is a prime.

It is not a weakly prime, because it can be changed into another prime (361823263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180911621 + 180911622.

It is an arithmetic number, because the mean of its divisors is an integer number (180911622).

Almost surely, 2^361823243 is an apocalyptic number.

361823243 is a deficient number, since it is larger than the sum of its proper divisors (1).

361823243 is an equidigital number, since it uses as much as digits as its factorization.

361823243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 361823243 is about 19021.6519524462. The cubic root of 361823243 is about 712.5775800617.

The spelling of 361823243 in words is "three hundred sixty-one million, eight hundred twenty-three thousand, two hundred forty-three".