4000800023 has 12 divisors (see below), whose sum is σ = 4499848584. Its totient is φ = 3552502800.

The previous prime is 4000800019. The next prime is 4000800031. The reversal of 4000800023 is 3200080004.

It is not a de Polignac number, because 4000800023 - 2² = 4000800019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4000799974 and 4000800010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000800523) 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, 379268 + ... + 389673.

It is an arithmetic number, because the mean of its divisors is an integer number (374987382).

Almost surely, 2^4000800023 is an apocalyptic number.

4000800023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4000800023 is a deficient number, since it is larger than the sum of its proper divisors (499048561).

4000800023 is a wasteful number, since it uses less digits than its factorization.

4000800023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769006 (or 768995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4000800023 is about 63251.8776243046. The cubic root of 4000800023 is about 1587.5068746928.

Adding to 4000800023 its reverse (3200080004), we get a palindrome (7200880027).

The spelling of 4000800023 in words is "four billion, eight hundred thousand, twenty-three".