123344541321 has 32 divisors (see below), whose sum is σ = 171261086208. Its totient is φ = 78906147840.

The previous prime is 123344541293. The next prime is 123344541377. The reversal of 123344541321 is 123145443321.

It is not a de Polignac number, because 123344541321 - 2²² = 123340347017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123344541391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2669205 + ... + 2715021.

It is an arithmetic number, because the mean of its divisors is an integer number (5351908944).

Almost surely, 2^123344541321 is an apocalyptic number.

It is an amenable number.

123344541321 is a deficient number, since it is larger than the sum of its proper divisors (47916544887).

123344541321 is a wasteful number, since it uses less digits than its factorization.

123344541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46241.

The product of its digits is 34560, while the sum is 33.

Adding to 123344541321 its reverse (123145443321), we get a palindrome (246489984642).

The spelling of 123344541321 in words is "one hundred twenty-three billion, three hundred forty-four million, five hundred forty-one thousand, three hundred twenty-one".