123234112 has 14 divisors (see below), whose sum is σ = 244542818. Its totient is φ = 61617024.

The previous prime is 123234101. The next prime is 123234113. The reversal of 123234112 is 211432321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123121216 + 112896 = 11096^2 + 336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123234112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123234113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962703 + ... + 962830.

Almost surely, 2^123234112 is an apocalyptic number.

It is an amenable number.

123234112 is a deficient number, since it is larger than the sum of its proper divisors (121308706).

123234112 is an equidigital number, since it uses as much as digits as its factorization.

123234112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925545 (or 1925535 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 123234112 is about 11101.0860729930. The cubic root of 123234112 is about 497.6343073157.

Adding to 123234112 its reverse (211432321), we get a palindrome (334666433).

It can be divided in two parts, 1232 and 34112, that added together give a square (35344 = 188²).

The spelling of 123234112 in words is "one hundred twenty-three million, two hundred thirty-four thousand, one hundred twelve".