4005023063 has 4 divisors (see below), whose sum is σ = 4010443320. Its totient is φ = 3999602808.

The previous prime is 4005023041. The next prime is 4005023089. The reversal of 4005023063 is 3603205004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4005023063 - 2⁶ = 4005022999 is a prime.

It is a super-3 number, since 3×4005023063³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005083063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709020 + ... + 2710497.

It is an arithmetic number, because the mean of its divisors is an integer number (1002610830).

Almost surely, 2^4005023063 is an apocalyptic number.

4005023063 is a deficient number, since it is larger than the sum of its proper divisors (5420257).

4005023063 is an equidigital number, since it uses as much as digits as its factorization.

4005023063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420256.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 4005023063 is about 63285.2515440999. The cubic root of 4005023063 is about 1588.0652419809.

Adding to 4005023063 its reverse (3603205004), we get a palindrome (7608228067).

The spelling of 4005023063 in words is "four billion, five million, twenty-three thousand, sixty-three".