4240022402423 has 4 divisors (see below), whose sum is σ = 4283733973680. Its totient is φ = 4196310831168.

The previous prime is 4240022402387. The next prime is 4240022402513. The reversal of 4240022402423 is 3242042200424.

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 4240022402423 - 2⁶ = 4240022402359 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 (4240022002423) 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, 21855785483 + ... + 21855785676.

It is an arithmetic number, because the mean of its divisors is an integer number (1070933493420).

Almost surely, 2^{4240022402423} is an apocalyptic number.

4240022402423 is a deficient number, since it is larger than the sum of its proper divisors (43711571257).

4240022402423 is an equidigital number, since it uses as much as digits as its factorization.

4240022402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43711571256.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 4240022402423 its reverse (3242042200424), we get a palindrome (7482064602847).

The spelling of 4240022402423 in words is "four trillion, two hundred forty billion, twenty-two million, four hundred two thousand, four hundred twenty-three".