1323423142141 has 4 divisors (see below), whose sum is σ = 1323432337500. Its totient is φ = 1323413946784.

The previous prime is 1323423142043. The next prime is 1323423142183. The reversal of 1323423142141 is 1412413243231.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1239581623225 + 83841518916 = 1113365^2 + 289554^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323423142141 - 2³⁵ = 1289063403773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323423142241) 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, 4378306 + ... + 4670803.

It is an arithmetic number, because the mean of its divisors is an integer number (330858084375).

Almost surely, 2^{1323423142141} is an apocalyptic number.

It is an amenable number.

1323423142141 is a deficient number, since it is larger than the sum of its proper divisors (9195359).

1323423142141 is an equidigital number, since it uses as much as digits as its factorization.

1323423142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195358.

The product of its digits is 13824, while the sum is 31.

Adding to 1323423142141 its reverse (1412413243231), we get a palindrome (2735836385372).

The spelling of 1323423142141 in words is "one trillion, three hundred twenty-three billion, four hundred twenty-three million, one hundred forty-two thousand, one hundred forty-one".