4240131323 has 4 divisors (see below), whose sum is σ = 4240752120. Its totient is φ = 4239510528.

The previous prime is 4240131319. The next prime is 4240131359. The reversal of 4240131323 is 3231310424.

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

It is a cyclic number.

It is not a de Polignac number, because 4240131323 - 2² = 4240131319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240131373) 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, 300038 + ... + 313851.

It is an arithmetic number, because the mean of its divisors is an integer number (1060188030).

Almost surely, 2^4240131323 is an apocalyptic number.

4240131323 is a deficient number, since it is larger than the sum of its proper divisors (620797).

4240131323 is an equidigital number, since it uses as much as digits as its factorization.

4240131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620796.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4240131323 is about 65116.2907650612. The cubic root of 4240131323 is about 1618.5511767095.

Adding to 4240131323 its reverse (3231310424), we get a palindrome (7471441747).

The spelling of 4240131323 in words is "four billion, two hundred forty million, one hundred thirty-one thousand, three hundred twenty-three".