4001023115 has 8 divisors (see below), whose sum is σ = 4826366208. Its totient is φ = 3184059520.

The previous prime is 4001023093. The next prime is 4001023127. The reversal of 4001023115 is 5113201004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4001023115 - 2¹² = 4001019019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4001023093 and 4001023102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093822 + ... + 2095731.

It is an arithmetic number, because the mean of its divisors is an integer number (603295776).

Almost surely, 2^4001023115 is an apocalyptic number.

4001023115 is a deficient number, since it is larger than the sum of its proper divisors (825343093).

4001023115 is a wasteful number, since it uses less digits than its factorization.

4001023115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189749.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 4001023115 is about 63253.6411204920. The cubic root of 4001023115 is about 1587.5363815830.

Adding to 4001023115 its reverse (5113201004), we get a palindrome (9114224119).

The spelling of 4001023115 in words is "four billion, one million, twenty-three thousand, one hundred fifteen".