123543113344546 has 8 divisors (see below), whose sum is σ = 211788194304960. Its totient is φ = 52947048576228.

The previous prime is 123543113344529. The next prime is 123543113344597. The reversal of 123543113344546 is 645443311345321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×123543113344546² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123543113344546.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412254048006 + ... + 4412254048033.

It is an arithmetic number, because the mean of its divisors is an integer number (26473524288120).

Almost surely, 2^{123543113344546} is an apocalyptic number.

123543113344546 is a deficient number, since it is larger than the sum of its proper divisors (88245080960414).

123543113344546 is an equidigital number, since it uses as much as digits as its factorization.

123543113344546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824508096048.

The product of its digits is 6220800, while the sum is 49.

Adding to 123543113344546 its reverse (645443311345321), we get a palindrome (768986424689867).

The spelling of 123543113344546 in words is "one hundred twenty-three trillion, five hundred forty-three billion, one hundred thirteen million, three hundred forty-four thousand, five hundred forty-six".