123044125321 has 8 divisors (see below), whose sum is σ = 132511917384. Its totient is φ = 113576741760.

The previous prime is 123044125319. The next prime is 123044125331. The reversal of 123044125321 is 123521440321.

It can be written as a sum of positive squares in 4 ways, for example, as 179854921 + 122864270400 = 13411^2 + 350520^2 .

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 123044125321 - 2¹ = 123044125319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123044125321.

It is not an unprimeable number, because it can be changed into a prime (123044125301) 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, 857475 + ... + 990631.

It is an arithmetic number, because the mean of its divisors is an integer number (16563989673).

Almost surely, 2^123044125321 is an apocalyptic number.

It is an amenable number.

123044125321 is a deficient number, since it is larger than the sum of its proper divisors (9467792063).

123044125321 is a wasteful number, since it uses less digits than its factorization.

123044125321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204251.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123044125321 its reverse (123521440321), we get a palindrome (246565565642).

The spelling of 123044125321 in words is "one hundred twenty-three billion, forty-four million, one hundred twenty-five thousand, three hundred twenty-one".