1002723 has 8 divisors (see below), whose sum is σ = 1353408. Its totient is φ = 660264.

The previous prime is 1002721. The next prime is 1002739. The reversal of 1002723 is 3272001.

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

It is not a de Polignac number, because 1002723 - 2¹ = 1002721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (169176).

2^1002723 is an apocalyptic number.

1002723 is a deficient number, since it is larger than the sum of its proper divisors (350685).

1002723 is an equidigital number, since it uses as much as digits as its factorization.

1002723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1002723 is about 1001.3605744186. The cubic root of 1002723 is about 100.0906844052.

Adding to 1002723 its reverse (3272001), we get a palindrome (4274724).

The spelling of 1002723 in words is "one million, two thousand, seven hundred twenty-three".