123143410340 has 48 divisors (see below), whose sum is σ = 273875478912. Its totient is φ = 46349293056.

The previous prime is 123143410321. The next prime is 123143410349. The reversal of 123143410340 is 43014341321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123143410349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539617 + ... + 1617623.

It is an arithmetic number, because the mean of its divisors is an integer number (5705739144).

Almost surely, 2^123143410340 is an apocalyptic number.

123143410340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123143410340 is an abundant number, since it is smaller than the sum of its proper divisors (150732068572).

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

123143410340 is a wasteful number, since it uses less digits than its factorization.

123143410340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82676 (or 82674 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123143410340 its reverse (43014341321), we get a palindrome (166157751661).

The spelling of 123143410340 in words is "one hundred twenty-three billion, one hundred forty-three million, four hundred ten thousand, three hundred forty".