103454321 has 4 divisors (see below), whose sum is σ = 103510644. Its totient is φ = 103398000.

The previous prime is 103454293. The next prime is 103454363. The reversal of 103454321 is 123454301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123454301 = 61 ⋅2023841.

It can be written as a sum of positive squares in 2 ways, for example, as 49505296 + 53949025 = 7036^2 + 7345^2 .

It is a cyclic number.

It is not a de Polignac number, because 103454321 - 2²² = 99260017 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103453321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25310 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (25877661).

Almost surely, 2^103454321 is an apocalyptic number.

It is an amenable number.

103454321 is a deficient number, since it is larger than the sum of its proper divisors (56323).

103454321 is an equidigital number, since it uses as much as digits as its factorization.

103454321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56322.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103454321 is about 10171.2497265577. The cubic root of 103454321 is about 469.4430115283.

It can be divided in two parts, 1034 and 54321, that added together give a palindrome (55355).

The spelling of 103454321 in words is "one hundred three million, four hundred fifty-four thousand, three hundred twenty-one".