2653923 has 8 divisors (see below), whose sum is σ = 3555328. Its totient is φ = 1760904.

The previous prime is 2653913. The next prime is 2653951. The reversal of 2653923 is 3293562.

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

It is not a de Polignac number, because 2653923 - 2⁴ = 2653907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (444416).

2^2653923 is an apocalyptic number.

2653923 is a deficient number, since it is larger than the sum of its proper divisors (901405).

2653923 is a wasteful number, since it uses less digits than its factorization.

2653923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193.

The product of its digits is 9720, while the sum is 30.

The square root of 2653923 is about 1629.0865538700. The cubic root of 2653923 is about 138.4510029258.

It can be divided in two parts, 26539 and 23, that added together give a palindrome (26562).

The spelling of 2653923 in words is "two million, six hundred fifty-three thousand, nine hundred twenty-three".