123112344 has 16 divisors (see below), whose sum is σ = 307780920. Its totient is φ = 41037440.

The previous prime is 123112331. The next prime is 123112349. The reversal of 123112344 is 443211321.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 123112344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112349) 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, 2564817 + ... + 2564864.

Almost surely, 2^123112344 is an apocalyptic number.

It is an amenable number.

123112344 is an abundant number, since it is smaller than the sum of its proper divisors (184668576).

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

123112344 is a wasteful number, since it uses less digits than its factorization.

123112344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129690 (or 5129686 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 123112344 is about 11095.6002090919. The cubic root of 123112344 is about 497.4703486448.

Adding to 123112344 its reverse (443211321), we get a palindrome (566323665).

The spelling of 123112344 in words is "one hundred twenty-three million, one hundred twelve thousand, three hundred forty-four".