40144230323 has 4 divisors (see below), whose sum is σ = 40437254040. Its totient is φ = 39851206608.

The previous prime is 40144230283. The next prime is 40144230331. The reversal of 40144230323 is 32303244104.

40144230323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40144230323 - 2²⁰ = 40143181747 is a prime.

It is a super-2 number, since 2×40144230323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40144230292 and 40144230301.

It is not an unprimeable number, because it can be changed into a prime (40144230353) 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, 146511653 + ... + 146511926.

It is an arithmetic number, because the mean of its divisors is an integer number (10109313510).

Almost surely, 2^40144230323 is an apocalyptic number.

40144230323 is a deficient number, since it is larger than the sum of its proper divisors (293023717).

40144230323 is a wasteful number, since it uses less digits than its factorization.

40144230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293023716.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40144230323 its reverse (32303244104), we get a palindrome (72447474427).

The spelling of 40144230323 in words is "forty billion, one hundred forty-four million, two hundred thirty thousand, three hundred twenty-three".