103623217 has 4 divisors (see below), whose sum is σ = 103647600. Its totient is φ = 103598836.

The previous prime is 103623181. The next prime is 103623229. The reversal of 103623217 is 712326301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103623217 - 2⁷ = 103623089 is a prime.

It is a super-3 number, since 3×103623217³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103623191 and 103623200.

It is not an unprimeable number, because it can be changed into a prime (103623287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3967 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (25911900).

Almost surely, 2^103623217 is an apocalyptic number.

It is an amenable number.

103623217 is a deficient number, since it is larger than the sum of its proper divisors (24383).

103623217 is an equidigital number, since it uses as much as digits as its factorization.

103623217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24382.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 103623217 is about 10179.5489585738. The cubic root of 103623217 is about 469.6983381887.

Adding to 103623217 its reverse (712326301), we get a palindrome (815949518).

The spelling of 103623217 in words is "one hundred three million, six hundred twenty-three thousand, two hundred seventeen".