240253023455423 has 4 divisors (see below), whose sum is σ = 262094207405928. Its totient is φ = 218411839504920.

The previous prime is 240253023455371. The next prime is 240253023455437. The reversal of 240253023455423 is 324554320352042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240253023455423 - 2¹⁶ = 240253023389887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240253023455723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10920591975236 + ... + 10920591975257.

It is an arithmetic number, because the mean of its divisors is an integer number (65523551851482).

Almost surely, 2^{240253023455423} is an apocalyptic number.

240253023455423 is a deficient number, since it is larger than the sum of its proper divisors (21841183950505).

240253023455423 is a wasteful number, since it uses less digits than its factorization.

240253023455423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841183950504.

The product of its (nonzero) digits is 3456000, while the sum is 44.

The spelling of 240253023455423 in words is "two hundred forty trillion, two hundred fifty-three billion, twenty-three million, four hundred fifty-five thousand, four hundred twenty-three".