240440341423 has 2 divisors, whose sum is σ = 240440341424. Its totient is φ = 240440341422.

The previous prime is 240440341417. The next prime is 240440341433. The reversal of 240440341423 is 324143044042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240440341423 - 2⁵ = 240440341391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240440341433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120220170711 + 120220170712.

It is an arithmetic number, because the mean of its divisors is an integer number (120220170712).

Almost surely, 2^240440341423 is an apocalyptic number.

240440341423 is a deficient number, since it is larger than the sum of its proper divisors (1).

240440341423 is an equidigital number, since it uses as much as digits as its factorization.

240440341423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 240440341423 its reverse (324143044042), we get a palindrome (564583385465).

The spelling of 240440341423 in words is "two hundred forty billion, four hundred forty million, three hundred forty-one thousand, four hundred twenty-three".