354123321 has 8 divisors (see below), whose sum is σ = 488446080. Its totient is φ = 227941392.

The previous prime is 354123299. The next prime is 354123353. The reversal of 354123321 is 123321453.

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

It is not a de Polignac number, because 354123321 - 2¹⁰ = 354122297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354123291 and 354123300.

It is not an unprimeable number, because it can be changed into a prime (354127321) 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, 2035105 + ... + 2035278.

It is an arithmetic number, because the mean of its divisors is an integer number (61055760).

Almost surely, 2^354123321 is an apocalyptic number.

It is an amenable number.

354123321 is a deficient number, since it is larger than the sum of its proper divisors (134322759).

354123321 is a wasteful number, since it uses less digits than its factorization.

354123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070415.

The product of its digits is 2160, while the sum is 24.

The square root of 354123321 is about 18818.1646554599. The cubic root of 354123321 is about 707.4865308111.

Adding to 354123321 its reverse (123321453), we get a palindrome (477444774).

It can be divided in two parts, 3541 and 23321, that added together give a palindrome (26862).

The spelling of 354123321 in words is "three hundred fifty-four million, one hundred twenty-three thousand, three hundred twenty-one".