4000120423 has 8 divisors (see below), whose sum is σ = 4456368000. Its totient is φ = 3565093728.

The previous prime is 4000120403. The next prime is 4000120427. The reversal of 4000120423 is 3240210004.

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 4000120423 - 2⁵ = 4000120391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000120397 and 4000120406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000120427) 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, 5304823 + ... + 5305576.

It is an arithmetic number, because the mean of its divisors is an integer number (557046000).

Almost surely, 2^4000120423 is an apocalyptic number.

4000120423 is a deficient number, since it is larger than the sum of its proper divisors (456247577).

4000120423 is a wasteful number, since it uses less digits than its factorization.

4000120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610441.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4000120423 is about 63246.5052236090. The cubic root of 4000120423 is about 1587.4169817747.

Adding to 4000120423 its reverse (3240210004), we get a palindrome (7240330427).

The spelling of 4000120423 in words is "four billion, one hundred twenty thousand, four hundred twenty-three".