103213243 has 8 divisors (see below), whose sum is σ = 119957760. Its totient is φ = 86968680.

The previous prime is 103213223. The next prime is 103213249. The reversal of 103213243 is 342312301.

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

It is a cyclic number.

It is not a de Polignac number, because 103213243 - 2¹³ = 103205051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103213243.

It is not an unprimeable number, because it can be changed into a prime (103213249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124543 + ... + 125368.

It is an arithmetic number, because the mean of its divisors is an integer number (14994720).

Almost surely, 2^103213243 is an apocalyptic number.

103213243 is a deficient number, since it is larger than the sum of its proper divisors (16744517).

103213243 is an equidigital number, since it uses as much as digits as its factorization.

103213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249977.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103213243 is about 10159.3918617209. The cubic root of 103213243 is about 469.0780826619.

Adding to 103213243 its reverse (342312301), we get a palindrome (445525544).

The spelling of 103213243 in words is "one hundred three million, two hundred thirteen thousand, two hundred forty-three".