4000001423 has 12 divisors (see below), whose sum is σ = 4401065760. Its totient is φ = 3632750880.

The previous prime is 4000001419. The next prime is 4000001431. The reversal of 4000001423 is 3241000004.

4000001423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4000001423 - 2² = 4000001419 is a prime.

It is a super-2 number, since 2×4000001423² = 32000022768004049858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000001398 and 4000001407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000001443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109811 + ... + 141627.

It is an arithmetic number, because the mean of its divisors is an integer number (366755480).

Almost surely, 2^4000001423 is an apocalyptic number.

4000001423 is a deficient number, since it is larger than the sum of its proper divisors (401064337).

4000001423 is a wasteful number, since it uses less digits than its factorization.

4000001423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32878 (or 32867 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4000001423 is about 63245.5644531694. The cubic root of 4000001423 is about 1587.4012402075.

Adding to 4000001423 its reverse (3241000004), we get a palindrome (7241001427).

The spelling of 4000001423 in words is "four billion, one thousand, four hundred twenty-three".