123110005 has 16 divisors (see below), whose sum is σ = 157261824. Its totient is φ = 92197120.

The previous prime is 123109927. The next prime is 123110033. The reversal of 123110005 is 500011321.

It is not a de Polignac number, because 123110005 - 2¹³ = 123101813 is a prime.

It is a super-2 number, since 2×123110005² = 30312146662200050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12444 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (9828864).

Almost surely, 2^123110005 is an apocalyptic number.

It is an amenable number.

123110005 is a deficient number, since it is larger than the sum of its proper divisors (34151819).

123110005 is a wasteful number, since it uses less digits than its factorization.

123110005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 123110005 is about 11095.4948064519. The cubic root of 123110005 is about 497.4671981605.

Adding to 123110005 its reverse (500011321), we get a palindrome (623121326).

It can be divided in two parts, 1231 and 10005, that added together give a square (11236 = 106²).

The spelling of 123110005 in words is "one hundred twenty-three million, one hundred ten thousand, five".