123134412140 has 24 divisors (see below), whose sum is σ = 264595808400. Its totient is φ = 48108328128.

The previous prime is 123134412131. The next prime is 123134412157. The reversal of 123134412140 is 41214431321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71588915 + ... + 71590634.

It is an arithmetic number, because the mean of its divisors is an integer number (11024825350).

Almost surely, 2^123134412140 is an apocalyptic number.

123134412140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123134412140 is an abundant number, since it is smaller than the sum of its proper divisors (141461396260).

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

123134412140 is a wasteful number, since it uses less digits than its factorization.

123134412140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143179601 (or 143179599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 123134412140 its reverse (41214431321), we get a palindrome (164348843461).

The spelling of 123134412140 in words is "one hundred twenty-three billion, one hundred thirty-four million, four hundred twelve thousand, one hundred forty".