123312303 has 12 divisors (see below), whose sum is σ = 180627408. Its totient is φ = 81049920.

The previous prime is 123312253. The next prime is 123312307. The reversal of 123312303 is 303213321.

It is not a de Polignac number, because 123312303 - 2⁹ = 123311791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123312307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95850 + ... + 97127.

It is an arithmetic number, because the mean of its divisors is an integer number (15052284).

Almost surely, 2^123312303 is an apocalyptic number.

123312303 is a deficient number, since it is larger than the sum of its proper divisors (57315105).

123312303 is a wasteful number, since it uses less digits than its factorization.

123312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193054 (or 193051 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123312303 is about 11104.6072870678. The cubic root of 123312303 is about 497.7395333145.

Adding to 123312303 its reverse (303213321), we get a palindrome (426525624).

The spelling of 123312303 in words is "one hundred twenty-three million, three hundred twelve thousand, three hundred three".