40143014323 has 4 divisors (see below), whose sum is σ = 40188580488. Its totient is φ = 40097448160.

The previous prime is 40143014299. The next prime is 40143014341. The reversal of 40143014323 is 32341034104.

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 40143014323 - 2¹³ = 40143006131 is a prime.

It is a super-2 number, since 2×40143014323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40143014363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22781761 + ... + 22783522.

It is an arithmetic number, because the mean of its divisors is an integer number (10047145122).

Almost surely, 2^40143014323 is an apocalyptic number.

40143014323 is a deficient number, since it is larger than the sum of its proper divisors (45566165).

40143014323 is an equidigital number, since it uses as much as digits as its factorization.

40143014323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45566164.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40143014323 its reverse (32341034104), we get a palindrome (72484048427).

The spelling of 40143014323 in words is "forty billion, one hundred forty-three million, fourteen thousand, three hundred twenty-three".