2023855 has 8 divisors (see below), whose sum is σ = 2463264. Its totient is φ = 1596000.

The previous prime is 2023849. The next prime is 2023859. The reversal of 2023855 is 5583202.

2023855 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 2023855 - 2⁷ = 2023727 is a prime.

It is a super-2 number, since 2×2023855² = 8191978122050, which contains 22 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 (2023859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (307908).

2^2023855 is an apocalyptic number.

2023855 is a deficient number, since it is larger than the sum of its proper divisors (439409).

2023855 is an equidigital number, since it uses as much as digits as its factorization.

2023855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2023855 is about 1422.6225781984. The cubic root of 2023855 is about 126.4910501045.

The spelling of 2023855 in words is "two million, twenty-three thousand, eight hundred fifty-five".