123013303 has 4 divisors (see below), whose sum is σ = 140586640. Its totient is φ = 105439968.

The previous prime is 123013283. The next prime is 123013313. The reversal of 123013303 is 303310321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303310321 = 11909 ⋅25469.

It is a cyclic number.

It is not a de Polignac number, because 123013303 - 2¹⁷ = 122882231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013313) 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, 8786658 + ... + 8786671.

It is an arithmetic number, because the mean of its divisors is an integer number (35146660).

Almost surely, 2^123013303 is an apocalyptic number.

123013303 is a deficient number, since it is larger than the sum of its proper divisors (17573337).

123013303 is an equidigital number, since it uses as much as digits as its factorization.

123013303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17573336.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 123013303 is about 11091.1362357515. The cubic root of 123013303 is about 497.3369117711.

Adding to 123013303 its reverse (303310321), we get a palindrome (426323624).

The spelling of 123013303 in words is "one hundred twenty-three million, thirteen thousand, three hundred three".