123468864321 has 64 divisors (see below), whose sum is σ = 192086286336. Its totient is φ = 69832627200.

The previous prime is 123468864287. The next prime is 123468864347.

123468864321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123468864321 - 2⁶ = 123468864257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123468864121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4262730 + ... + 4291596.

It is an arithmetic number, because the mean of its divisors is an integer number (3001348224).

Almost surely, 2^123468864321 is an apocalyptic number.

123468864321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123468864321 is a deficient number, since it is larger than the sum of its proper divisors (68617422015).

123468864321 is a wasteful number, since it uses less digits than its factorization.

123468864321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29062.

The product of its digits is 1327104, while the sum is 48.

It can be divided in two parts, 123468 and 864321, that added together give a palindrome (987789).

The spelling of 123468864321 in words is "one hundred twenty-three billion, four hundred sixty-eight million, eight hundred sixty-four thousand, three hundred twenty-one".