123000342321 has 8 divisors (see below), whose sum is σ = 164777710624. Its totient is φ = 81611601120.

The previous prime is 123000342319. The next prime is 123000342329. The reversal of 123000342321 is 123243000321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123000342321 - 2¹ = 123000342319 is a prime.

It is a super-2 number, since 2×123000342321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123000342329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97156036 + ... + 97157301.

It is an arithmetic number, because the mean of its divisors is an integer number (20597213828).

Almost surely, 2^123000342321 is an apocalyptic number.

It is an amenable number.

123000342321 is a deficient number, since it is larger than the sum of its proper divisors (41777368303).

123000342321 is a wasteful number, since it uses less digits than its factorization.

123000342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194313551.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123000342321 its reverse (123243000321), we get a palindrome (246243342642).

The spelling of 123000342321 in words is "one hundred twenty-three billion, three hundred forty-two thousand, three hundred twenty-one".