13203123 has 8 divisors (see below), whose sum is σ = 17627136. Its totient is φ = 8790600.

The previous prime is 13203103. The next prime is 13203139. The reversal of 13203123 is 32130231.

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

It is not a de Polignac number, because 13203123 - 2⁸ = 13202867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203103) 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, 318 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (2203392).

Almost surely, 2^13203123 is an apocalyptic number.

13203123 is a deficient number, since it is larger than the sum of its proper divisors (4424013).

13203123 is an equidigital number, since it uses as much as digits as its factorization.

13203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13203123 is about 3633.6101882288. The cubic root of 13203123 is about 236.3517867154.

Adding to 13203123 its reverse (32130231), we get a palindrome (45333354).

The spelling of 13203123 in words is "thirteen million, two hundred three thousand, one hundred twenty-three".