40423014143443 has 16 divisors (see below), whose sum is σ = 42838089278400. Its totient is φ = 38012087448576.

The previous prime is 40423014143411. The next prime is 40423014143599. The reversal of 40423014143443 is 34434141032404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40423014143443 - 2⁵ = 40423014143411 is a prime.

It is a super-4 number, since 4×40423014143443⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40423014146443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139897783 + ... + 140186431.

It is an arithmetic number, because the mean of its divisors is an integer number (2677380579900).

Almost surely, 2^{40423014143443} is an apocalyptic number.

40423014143443 is a deficient number, since it is larger than the sum of its proper divisors (2415075134957).

40423014143443 is a wasteful number, since it uses less digits than its factorization.

40423014143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295806.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 40423014143443 its reverse (34434141032404), we get a palindrome (74857155175847).

The spelling of 40423014143443 in words is "forty trillion, four hundred twenty-three billion, fourteen million, one hundred forty-three thousand, four hundred forty-three".