2240402323 has 2 divisors, whose sum is σ = 2240402324. Its totient is φ = 2240402322.

The previous prime is 2240402303. The next prime is 2240402357. The reversal of 2240402323 is 3232040422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240402323 - 2⁵ = 2240402291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2240402294 and 2240402303.

It is not a weakly prime, because it can be changed into another prime (2240402303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120201161 + 1120201162.

It is an arithmetic number, because the mean of its divisors is an integer number (1120201162).

Almost surely, 2^2240402323 is an apocalyptic number.

2240402323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240402323 is an equidigital number, since it uses as much as digits as its factorization.

2240402323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2240402323 is about 47332.8883864063. Note that the first 3 decimals coincide. The cubic root of 2240402323 is about 1308.5048542200.

Adding to 2240402323 its reverse (3232040422), we get a palindrome (5472442745).

The spelling of 2240402323 in words is "two billion, two hundred forty million, four hundred two thousand, three hundred twenty-three".