123113134 has 16 divisors (see below), whose sum is σ = 191041200. Its totient is φ = 59457024.

The previous prime is 123113131. The next prime is 123113147. The reversal of 123113134 is 431311321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302 + ... + 16270.

It is an arithmetic number, because the mean of its divisors is an integer number (11940075).

Almost surely, 2^123113134 is an apocalyptic number.

123113134 is a deficient number, since it is larger than the sum of its proper divisors (67928066).

123113134 is a wasteful number, since it uses less digits than its factorization.

123113134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12147.

The product of its digits is 216, while the sum is 19.

The square root of 123113134 is about 11095.6358087313. The cubic root of 123113134 is about 497.4714127156.

Adding to 123113134 its reverse (431311321), we get a palindrome (554424455).

It can be divided in two parts, 1231 and 13134, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 123113134 in words is "one hundred twenty-three million, one hundred thirteen thousand, one hundred thirty-four".