123323661141 has 4 divisors (see below), whose sum is σ = 164431548192. Its totient is φ = 82215774092.

The previous prime is 123323661113. The next prime is 123323661161. The reversal of 123323661141 is 141166323321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123323661141 - 2¹¹ = 123323659093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323661161) 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, 20553943521 + ... + 20553943526.

It is an arithmetic number, because the mean of its divisors is an integer number (41107887048).

Almost surely, 2^123323661141 is an apocalyptic number.

It is an amenable number.

123323661141 is a deficient number, since it is larger than the sum of its proper divisors (41107887051).

123323661141 is an equidigital number, since it uses as much as digits as its factorization.

123323661141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41107887050.

The product of its digits is 15552, while the sum is 33.

Adding to 123323661141 its reverse (141166323321), we get a palindrome (264489984462).

The spelling of 123323661141 in words is "one hundred twenty-three billion, three hundred twenty-three million, six hundred sixty-one thousand, one hundred forty-one".