1331142323 has 8 divisors (see below), whose sum is σ = 1521595392. Its totient is φ = 1140761736.

The previous prime is 1331142259. The next prime is 1331142343. The reversal of 1331142323 is 3232411331.

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 1331142323 - 2⁶ = 1331142259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331142343) 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, 29636 + ... + 59502.

It is an arithmetic number, because the mean of its divisors is an integer number (190199424).

Almost surely, 2^1331142323 is an apocalyptic number.

1331142323 is a deficient number, since it is larger than the sum of its proper divisors (190453069).

1331142323 is an equidigital number, since it uses as much as digits as its factorization.

1331142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36241.

The product of its digits is 1296, while the sum is 23.

The square root of 1331142323 is about 36484.8231871829. The cubic root of 1331142323 is about 1100.0392060406.

Adding to 1331142323 its reverse (3232411331), we get a palindrome (4563553654).

The spelling of 1331142323 in words is "one billion, three hundred thirty-one million, one hundred forty-two thousand, three hundred twenty-three".