244231040423 has 4 divisors (see below), whose sum is σ = 246471692280. Its totient is φ = 241990388568.

The previous prime is 244231040419. The next prime is 244231040441. The reversal of 244231040423 is 324040132442.

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 244231040423 - 2² = 244231040419 is a prime.

It is a super-2 number, since 2×244231040423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244231040483) 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, 1120325765 + ... + 1120325982.

It is an arithmetic number, because the mean of its divisors is an integer number (61617923070).

Almost surely, 2^244231040423 is an apocalyptic number.

244231040423 is a deficient number, since it is larger than the sum of its proper divisors (2240651857).

244231040423 is a wasteful number, since it uses less digits than its factorization.

244231040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240651856.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 244231040423 its reverse (324040132442), we get a palindrome (568271172865).

The spelling of 244231040423 in words is "two hundred forty-four billion, two hundred thirty-one million, forty thousand, four hundred twenty-three".