123304134 has 32 divisors (see below), whose sum is σ = 253566720. Its totient is φ = 39951072.

The previous prime is 123304109. The next prime is 123304147. The reversal of 123304134 is 431403321.

It is a super-2 number, since 2×123304134² = 30407818922979912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123304134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58039 + ... + 60125.

It is an arithmetic number, because the mean of its divisors is an integer number (7923960).

Almost surely, 2^123304134 is an apocalyptic number.

123304134 is an abundant number, since it is smaller than the sum of its proper divisors (130262586).

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

123304134 is a wasteful number, since it uses less digits than its factorization.

123304134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 123304134 is about 11104.2394606745. The cubic root of 123304134 is about 497.7285419159.

Adding to 123304134 its reverse (431403321), we get a palindrome (554707455).

The spelling of 123304134 in words is "one hundred twenty-three million, three hundred four thousand, one hundred thirty-four".