240478571623 has 2 divisors, whose sum is σ = 240478571624. Its totient is φ = 240478571622.

The previous prime is 240478571621. The next prime is 240478571693. The reversal of 240478571623 is 326175874042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240478571623 - 2¹ = 240478571621 is a prime.

Together with 240478571621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240478571621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120239285811 + 120239285812.

It is an arithmetic number, because the mean of its divisors is an integer number (120239285812).

Almost surely, 2^240478571623 is an apocalyptic number.

240478571623 is a deficient number, since it is larger than the sum of its proper divisors (1).

240478571623 is an equidigital number, since it uses as much as digits as its factorization.

240478571623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 240478571623 in words is "two hundred forty billion, four hundred seventy-eight million, five hundred seventy-one thousand, six hundred twenty-three".