4002523401 has 16 divisors (see below), whose sum is σ = 5659974144. Its totient is φ = 2507230464.

The previous prime is 4002523379. The next prime is 4002523403. The reversal of 4002523401 is 1043252004.

4002523401 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 4002523401 - 2¹⁴ = 4002507017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4002523403) 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, 33690 + ... + 95603.

It is an arithmetic number, because the mean of its divisors is an integer number (353748384).

Almost surely, 2^4002523401 is an apocalyptic number.

It is an amenable number.

4002523401 is a deficient number, since it is larger than the sum of its proper divisors (1657450743).

4002523401 is a wasteful number, since it uses less digits than its factorization.

4002523401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129920.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4002523401 is about 63265.4992946393. The cubic root of 4002523401 is about 1587.7347859161.

Adding to 4002523401 its reverse (1043252004), we get a palindrome (5045775405).

The spelling of 4002523401 in words is "four billion, two million, five hundred twenty-three thousand, four hundred one".