123012242343140 has 48 divisors (see below), whose sum is σ = 261868444642560. Its totient is φ = 48530110867200.

The previous prime is 123012242343121. The next prime is 123012242343187. The reversal of 123012242343140 is 41343242210321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123012242343097 and 123012242343106.

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, 99628565 + ... + 100855715.

It is an arithmetic number, because the mean of its divisors is an integer number (5455592596720).

Almost surely, 2^{123012242343140} is an apocalyptic number.

123012242343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123012242343140 is an abundant number, since it is smaller than the sum of its proper divisors (138856202299420).

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

123012242343140 is a wasteful number, since it uses less digits than its factorization.

123012242343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295892 (or 1295890 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 123012242343140 its reverse (41343242210321), we get a palindrome (164355484553461).

The spelling of 123012242343140 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty-two million, three hundred forty-three thousand, one hundred forty".