1231141323 has 8 divisors (see below), whose sum is σ = 1649302336. Its totient is φ = 816870600.

The previous prime is 1231141313. The next prime is 1231141369. The reversal of 1231141323 is 3231411321.

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

It is not a de Polignac number, because 1231141323 - 2¹⁰ = 1231140299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231141323.

It is not an unprimeable number, because it can be changed into a prime (1231141313) 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, 971833 + ... + 973098.

It is an arithmetic number, because the mean of its divisors is an integer number (206162792).

Almost surely, 2^1231141323 is an apocalyptic number.

1231141323 is a deficient number, since it is larger than the sum of its proper divisors (418161013).

1231141323 is a wasteful number, since it uses less digits than its factorization.

1231141323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945145.

The product of its digits is 432, while the sum is 21.

The square root of 1231141323 is about 35087.6235017420. The cubic root of 1231141323 is about 1071.7725657684.

Adding to 1231141323 its reverse (3231411321), we get a palindrome (4462552644).

The spelling of 1231141323 in words is "one billion, two hundred thirty-one million, one hundred forty-one thousand, three hundred twenty-three".