123354453321 has 48 divisors (see below), whose sum is σ = 207848654208. Its totient is φ = 69665856000.

The previous prime is 123354453319. The next prime is 123354453347.

123354453321 is a `hidden beast` number, since 1 + 2 + 33 + 544 + 53 + 32 + 1 = 666.

123354453321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123354453321 - 2¹ = 123354453319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123354453301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192861 + ... + 532826.

It is an arithmetic number, because the mean of its divisors is an integer number (4330180296).

Almost surely, 2^123354453321 is an apocalyptic number.

123354453321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123354453321 is a deficient number, since it is larger than the sum of its proper divisors (84494200887).

123354453321 is a wasteful number, since it uses less digits than its factorization.

123354453321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725822 (or 725819 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

It can be divided in two parts, 123354 and 453321, that added together give a palindrome (576675).

The spelling of 123354453321 in words is "one hundred twenty-three billion, three hundred fifty-four million, four hundred fifty-three thousand, three hundred twenty-one".