103011123 has 4 divisors (see below), whose sum is σ = 137348168. Its totient is φ = 68674080.

The previous prime is 103011121. The next prime is 103011137. The reversal of 103011123 is 321110301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103011123 - 2¹ = 103011121 is a prime.

It is a super-3 number, since 3×103011123³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103011099 and 103011108.

It is not an unprimeable number, because it can be changed into a prime (103011121) 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, 17168518 + ... + 17168523.

It is an arithmetic number, because the mean of its divisors is an integer number (34337042).

Almost surely, 2^103011123 is an apocalyptic number.

103011123 is a deficient number, since it is larger than the sum of its proper divisors (34337045).

103011123 is an equidigital number, since it uses as much as digits as its factorization.

103011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34337044.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103011123 is about 10149.4395411766. The cubic root of 103011123 is about 468.7716878143.

Adding to 103011123 its reverse (321110301), we get a palindrome (424121424).

The spelling of 103011123 in words is "one hundred three million, eleven thousand, one hundred twenty-three".