123301134 has 48 divisors (see below), whose sum is σ = 294755760. Its totient is φ = 36938880.

The previous prime is 123301133. The next prime is 123301159. The reversal of 123301134 is 431103321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14124 + ... + 21120.

It is an arithmetic number, because the mean of its divisors is an integer number (6140745).

Almost surely, 2^123301134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123301134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147377880).

123301134 is an abundant number, since it is smaller than the sum of its proper divisors (171454626).

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

123301134 is a wasteful number, since it uses less digits than its factorization.

123301134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 123301134 is about 11104.1043763106. The cubic root of 123301134 is about 497.7245052906.

Adding to 123301134 its reverse (431103321), we get a palindrome (554404455).

The spelling of 123301134 in words is "one hundred twenty-three million, three hundred one thousand, one hundred thirty-four".