4000042431323 has 8 divisors (see below), whose sum is σ = 4234909544400. Its totient is φ = 3767609174688.

The previous prime is 4000042431271. The next prime is 4000042431373. The reversal of 4000042431323 is 3231342400004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4000042431323 - 2²⁰ = 4000041382747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000042431292 and 4000042431301.

It is not an unprimeable number, because it can be changed into a prime (4000042431373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608460728 + ... + 608467301.

It is an arithmetic number, because the mean of its divisors is an integer number (529363693050).

Almost surely, 2^{4000042431323} is an apocalyptic number.

4000042431323 is a deficient number, since it is larger than the sum of its proper divisors (234867113077).

4000042431323 is a wasteful number, since it uses less digits than its factorization.

4000042431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216928221.

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

Adding to 4000042431323 its reverse (3231342400004), we get a palindrome (7231384831327).

The spelling of 4000042431323 in words is "four trillion, forty-two million, four hundred thirty-one thousand, three hundred twenty-three".