123881447706 has 16 divisors (see below), whose sum is σ = 250168361664. Its totient is φ = 40892904864.

The previous prime is 123881447647. The next prime is 123881447713. The reversal of 123881447706 is 607744188321.

It is a super-3 number, since 3×123881447706³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100227091 + ... + 100228326.

It is an arithmetic number, because the mean of its divisors is an integer number (15635522604).

Almost surely, 2^123881447706 is an apocalyptic number.

123881447706 is an abundant number, since it is smaller than the sum of its proper divisors (126286913958).

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

123881447706 is a wasteful number, since it uses less digits than its factorization.

123881447706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200455525.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 123881447706 in words is "one hundred twenty-three billion, eight hundred eighty-one million, four hundred forty-seven thousand, seven hundred six".