2240323 has 2 divisors, whose sum is σ = 2240324. Its totient is φ = 2240322.

The previous prime is 2240321. The next prime is 2240341. The reversal of 2240323 is 3230422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240323 - 2¹ = 2240321 is a prime.

Together with 2240321, it forms a pair of twin primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2240297 and 2240306.

It is not a weakly prime, because it can be changed into another prime (2240321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120161 + 1120162.

It is an arithmetic number, because the mean of its divisors is an integer number (1120162).

2^2240323 is an apocalyptic number.

2240323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240323 is an equidigital number, since it uses as much as digits as its factorization.

2240323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2240323 is about 1496.7708575463. The cubic root of 2240323 is about 130.8489411197.

Adding to 2240323 its reverse (3230422), we get a palindrome (5470745).

Subtracting 2240323 from its reverse (3230422), we obtain a palindrome (990099).

The spelling of 2240323 in words is "two million, two hundred forty thousand, three hundred twenty-three".