123023123321 has 16 divisors (see below), whose sum is σ = 149854222080. Its totient is φ = 98588275200.

The previous prime is 123023123269. The next prime is 123023123341. The reversal of 123023123321 is 123321320321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123023123321 is a prime.

It is a super-3 number, since 3×123023123321³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (123023123341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405236 + ... + 3441173.

It is an arithmetic number, because the mean of its divisors is an integer number (9365888880).

Almost surely, 2^123023123321 is an apocalyptic number.

It is an amenable number.

123023123321 is a deficient number, since it is larger than the sum of its proper divisors (26831098759).

123023123321 is a wasteful number, since it uses less digits than its factorization.

123023123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846584.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123023123321 its reverse (123321320321), we get a palindrome (246344443642).

The spelling of 123023123321 in words is "one hundred twenty-three billion, twenty-three million, one hundred twenty-three thousand, three hundred twenty-one".