1240323 has 8 divisors (see below), whose sum is σ = 1890048. Its totient is φ = 708744.

The previous prime is 1240319. The next prime is 1240333. The reversal of 1240323 is 3230421.

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

It is not a de Polignac number, because 1240323 - 2² = 1240319 is a prime.

It is a super-2 number, since 2×1240323² = 3076802288658, which contains 22 as substring.

1240323 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1240333) 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, 29511 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (236256).

2^1240323 is an apocalyptic number.

1240323 is a deficient number, since it is larger than the sum of its proper divisors (649725).

1240323 is an equidigital number, since it uses as much as digits as its factorization.

1240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59073.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1240323 is about 1113.6978944040. The cubic root of 1240323 is about 107.4430345384.

Adding to 1240323 its reverse (3230421), we get a palindrome (4470744).

The spelling of 1240323 in words is "one million, two hundred forty thousand, three hundred twenty-three".