2800581023 has 4 divisors (see below), whose sum is σ = 2876272440. Its totient is φ = 2724889608.

The previous prime is 2800581001. The next prime is 2800581041. The reversal of 2800581023 is 3201850082.

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

It is a cyclic number.

It is not a de Polignac number, because 2800581023 - 2⁸ = 2800580767 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 (2800581923) 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, 37845653 + ... + 37845726.

It is an arithmetic number, because the mean of its divisors is an integer number (719068110).

Almost surely, 2^2800581023 is an apocalyptic number.

2800581023 is a deficient number, since it is larger than the sum of its proper divisors (75691417).

2800581023 is an equidigital number, since it uses as much as digits as its factorization.

2800581023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75691416.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2800581023 is about 52920.5160878085. The cubic root of 2800581023 is about 1409.5572311620.

The spelling of 2800581023 in words is "two billion, eight hundred million, five hundred eighty-one thousand, twenty-three".