2635723 has 4 divisors (see below), whose sum is σ = 2726640. Its totient is φ = 2544808.

The previous prime is 2635709. The next prime is 2635727. The reversal of 2635723 is 3275362.

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

It is not a de Polignac number, because 2635723 - 2⁵ = 2635691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2635691 and 2635700.

It is not an unprimeable number, because it can be changed into a prime (2635727) 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, 45415 + ... + 45472.

It is an arithmetic number, because the mean of its divisors is an integer number (681660).

2^2635723 is an apocalyptic number.

2635723 is a deficient number, since it is larger than the sum of its proper divisors (90917).

2635723 is an equidigital number, since it uses as much as digits as its factorization.

2635723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90916.

The product of its digits is 7560, while the sum is 28.

The square root of 2635723 is about 1623.4909916596. The cubic root of 2635723 is about 138.1337881976.

The spelling of 2635723 in words is "two million, six hundred thirty-five thousand, seven hundred twenty-three".