123003113 has 4 divisors (see below), whose sum is σ = 123045120. Its totient is φ = 122961108.

The previous prime is 123003061. The next prime is 123003217. The reversal of 123003113 is 311300321.

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 123003113 - 2¹² = 122999017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123009113) 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, 16253 + ... + 22586.

It is an arithmetic number, because the mean of its divisors is an integer number (30761280).

Almost surely, 2^123003113 is an apocalyptic number.

It is an amenable number.

123003113 is a deficient number, since it is larger than the sum of its proper divisors (42007).

123003113 is an equidigital number, since it uses as much as digits as its factorization.

123003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42006.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 123003113 is about 11090.6768504001. The cubic root of 123003113 is about 497.3231788307.

Adding to 123003113 its reverse (311300321), we get a palindrome (434303434).

The spelling of 123003113 in words is "one hundred twenty-three million, three thousand, one hundred thirteen".