123321120141 has 4 divisors (see below), whose sum is σ = 164428160192. Its totient is φ = 82214080092.

The previous prime is 123321120137. The next prime is 123321120173. The reversal of 123321120141 is 141021123321.

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 not a de Polignac number, because 123321120141 - 2² = 123321120137 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 (123321128141) 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, 20553520021 + ... + 20553520026.

It is an arithmetic number, because the mean of its divisors is an integer number (41107040048).

Almost surely, 2^123321120141 is an apocalyptic number.

It is an amenable number.

123321120141 is a deficient number, since it is larger than the sum of its proper divisors (41107040051).

123321120141 is an equidigital number, since it uses as much as digits as its factorization.

123321120141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41107040050.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123321120141 its reverse (141021123321), we get a palindrome (264342243462).

The spelling of 123321120141 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred twenty thousand, one hundred forty-one".