2090055823 has 4 divisors (see below), whose sum is σ = 2090170600. Its totient is φ = 2089941048.

The previous prime is 2090055787. The next prime is 2090055827. The reversal of 2090055823 is 3285500902.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2090055823 - 2⁹ = 2090055311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090055827) 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, 23340 + ... + 68737.

It is an arithmetic number, because the mean of its divisors is an integer number (522542650).

Almost surely, 2^2090055823 is an apocalyptic number.

2090055823 is a deficient number, since it is larger than the sum of its proper divisors (114777).

2090055823 is an equidigital number, since it uses as much as digits as its factorization.

2090055823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114776.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2090055823 is about 45717.1283328251. The cubic root of 2090055823 is about 1278.5546476425.

The spelling of 2090055823 in words is "two billion, ninety million, fifty-five thousand, eight hundred twenty-three".