240403541423 has 2 divisors, whose sum is σ = 240403541424. Its totient is φ = 240403541422.

The previous prime is 240403541359. The next prime is 240403541429. The reversal of 240403541423 is 324145304042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240403541423 - 2⁶ = 240403541359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240403541423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240403541429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120201770711 + 120201770712.

It is an arithmetic number, because the mean of its divisors is an integer number (120201770712).

Almost surely, 2^240403541423 is an apocalyptic number.

240403541423 is a deficient number, since it is larger than the sum of its proper divisors (1).

240403541423 is an equidigital number, since it uses as much as digits as its factorization.

240403541423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 240403541423 its reverse (324145304042), we get a palindrome (564548845465).

The spelling of 240403541423 in words is "two hundred forty billion, four hundred three million, five hundred forty-one thousand, four hundred twenty-three".