123705818346 has 32 divisors (see below), whose sum is σ = 279210628800. Its totient is φ = 36193969280.

The previous prime is 123705818333. The next prime is 123705818381. The reversal of 123705818346 is 643818507321.

It is a junction number, because it is equal to n+sod(n) for n = 123705818295 and 123705818304.

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, 32314131 + ... + 32317958.

It is an arithmetic number, because the mean of its divisors is an integer number (8725332150).

Almost surely, 2^123705818346 is an apocalyptic number.

123705818346 is an abundant number, since it is smaller than the sum of its proper divisors (155504810454).

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

123705818346 is a wasteful number, since it uses less digits than its factorization.

123705818346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64632134.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 123705818346 in words is "one hundred twenty-three billion, seven hundred five million, eight hundred eighteen thousand, three hundred forty-six".