123131103 has 8 divisors (see below), whose sum is σ = 164231808. Its totient is φ = 82058904.

The previous prime is 123131093. The next prime is 123131131. The reversal of 123131103 is 301131321.

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

It is not a de Polignac number, because 123131103 - 2⁹ = 123130591 is a prime.

It is a super-2 number, since 2×123131103² = 30322537051993218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131143) 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, 6900 + ... + 17142.

It is an arithmetic number, because the mean of its divisors is an integer number (20528976).

Almost surely, 2^123131103 is an apocalyptic number.

123131103 is a deficient number, since it is larger than the sum of its proper divisors (41100705).

123131103 is a wasteful number, since it uses less digits than its factorization.

123131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14253.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 123131103 is about 11096.4455119646. The cubic root of 123131103 is about 497.4956143819.

Adding to 123131103 its reverse (301131321), we get a palindrome (424262424).

The spelling of 123131103 in words is "one hundred twenty-three million, one hundred thirty-one thousand, one hundred three".