2723231 has 8 divisors (see below), whose sum is σ = 3122304. Its totient is φ = 2326680.

The previous prime is 2723221. The next prime is 2723239. The reversal of 2723231 is 1323272.

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

It is a cyclic number.

It is not a de Polignac number, because 2723231 - 2⁶ = 2723167 is a prime.

It is a super-2 number, since 2×2723231² = 14831974158722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723239) 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, 3596 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (390288).

2^2723231 is an apocalyptic number.

2723231 is a deficient number, since it is larger than the sum of its proper divisors (399073).

2723231 is an equidigital number, since it uses as much as digits as its factorization.

2723231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its digits is 504, while the sum is 20.

The square root of 2723231 is about 1650.2215002841. The cubic root of 2723231 is about 139.6458908028.

The spelling of 2723231 in words is "two million, seven hundred twenty-three thousand, two hundred thirty-one".