1321232142323 has 8 divisors (see below), whose sum is σ = 1372520098656. Its totient is φ = 1270851937600.

The previous prime is 1321232142253. The next prime is 1321232142341. The reversal of 1321232142323 is 3232412321231.

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 1321232142323 - 2¹² = 1321232138227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321232142353) 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, 226934936 + ... + 226940757.

It is an arithmetic number, because the mean of its divisors is an integer number (171565012332).

Almost surely, 2^{1321232142323} is an apocalyptic number.

1321232142323 is a deficient number, since it is larger than the sum of its proper divisors (51287956333).

1321232142323 is an equidigital number, since it uses as much as digits as its factorization.

1321232142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453875805.

The product of its digits is 10368, while the sum is 29.

Adding to 1321232142323 its reverse (3232412321231), we get a palindrome (4553644463554).

The spelling of 1321232142323 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-two million, one hundred forty-two thousand, three hundred twenty-three".