4005023102 has 4 divisors (see below), whose sum is σ = 6007534656. Its totient is φ = 2002511550.

The previous prime is 4005023101. The next prime is 4005023111. The reversal of 4005023102 is 2013205004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001255774 + ... + 1001255777.

It is an arithmetic number, because the mean of its divisors is an integer number (1501883664).

Almost surely, 2^4005023102 is an apocalyptic number.

4005023102 is a deficient number, since it is larger than the sum of its proper divisors (2002511554).

4005023102 is a wasteful number, since it uses less digits than its factorization.

4005023102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002511553.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4005023102 is about 63285.2518522286. The cubic root of 4005023102 is about 1588.0652471356.

Adding to 4005023102 its reverse (2013205004), we get a palindrome (6018228106).

The spelling of 4005023102 in words is "four billion, five million, twenty-three thousand, one hundred two".