123313112 has 16 divisors (see below), whose sum is σ = 248997840. Its totient is φ = 56913696.

The previous prime is 123313109. The next prime is 123313129. The reversal of 123313112 is 211313321.

It is a super-2 number, since 2×123313112² = 30412247182249088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592748 + ... + 592955.

It is an arithmetic number, because the mean of its divisors is an integer number (15562365).

Almost surely, 2^123313112 is an apocalyptic number.

It is an amenable number.

123313112 is an abundant number, since it is smaller than the sum of its proper divisors (125684728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123313112 is a wasteful number, since it uses less digits than its factorization.

123313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185722 (or 1185718 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 123313112 is about 11104.6437133300. The cubic root of 123313112 is about 497.7406217985.

Adding to 123313112 its reverse (211313321), we get a palindrome (334626433).

The spelling of 123313112 in words is "one hundred twenty-three million, three hundred thirteen thousand, one hundred twelve".