123301312 has 28 divisors (see below), whose sum is σ = 247436640. Its totient is φ = 60955136.

The previous prime is 123301303. The next prime is 123301319. The reversal of 123301312 is 213103321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301319) 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, 5128 + ... + 16519.

Almost surely, 2^123301312 is an apocalyptic number.

It is an amenable number.

123301312 is an abundant number, since it is smaller than the sum of its proper divisors (124135328).

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

123301312 is an equidigital number, since it uses as much as digits as its factorization.

123301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21748 (or 21738 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 123301312 is about 11104.1123913620. The cubic root of 123301312 is about 497.7247447989.

Adding to 123301312 its reverse (213103321), we get a palindrome (336404633).

The spelling of 123301312 in words is "one hundred twenty-three million, three hundred one thousand, three hundred twelve".