2800747623 has 4 divisors (see below), whose sum is σ = 3734330168. Its totient is φ = 1867165080.

The previous prime is 2800747619. The next prime is 2800747627. The reversal of 2800747623 is 3267470082.

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

It is an interprime number because it is at equal distance from previous prime (2800747619) and next prime (2800747627).

It is not a de Polignac number, because 2800747623 - 2² = 2800747619 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 (2800747627) 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, 466791268 + ... + 466791273.

It is an arithmetic number, because the mean of its divisors is an integer number (933582542).

Almost surely, 2^2800747623 is an apocalyptic number.

2800747623 is a deficient number, since it is larger than the sum of its proper divisors (933582545).

2800747623 is an equidigital number, since it uses as much as digits as its factorization.

2800747623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933582544.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 2800747623 is about 52922.0901231234. The cubic root of 2800747623 is about 1409.5851810263.

The spelling of 2800747623 in words is "two billion, eight hundred million, seven hundred forty-seven thousand, six hundred twenty-three".