240554120345423 has 2 divisors, whose sum is σ = 240554120345424. Its totient is φ = 240554120345422.

The previous prime is 240554120345359. The next prime is 240554120345431. The reversal of 240554120345423 is 324543021455042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240554120345423 - 2⁶ = 240554120345359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240554120345323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120277060172711 + 120277060172712.

It is an arithmetic number, because the mean of its divisors is an integer number (120277060172712).

Almost surely, 2^{240554120345423} is an apocalyptic number.

240554120345423 is a deficient number, since it is larger than the sum of its proper divisors (1).

240554120345423 is an equidigital number, since it uses as much as digits as its factorization.

240554120345423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304000, while the sum is 44.

The spelling of 240554120345423 in words is "two hundred forty trillion, five hundred fifty-four billion, one hundred twenty million, three hundred forty-five thousand, four hundred twenty-three".