123532726704 has 80 divisors (see below), whose sum is σ = 322602518784. Its totient is φ = 40729824000.

The previous prime is 123532726699. The next prime is 123532726717. The reversal of 123532726704 is 407627235321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5141439 + ... + 5165409.

Almost surely, 2^123532726704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123532726704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161301259392).

123532726704 is an abundant number, since it is smaller than the sum of its proper divisors (199069792080).

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

123532726704 is a wasteful number, since it uses less digits than its factorization.

123532726704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25146 (or 25140 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 123532726704 in words is "one hundred twenty-three billion, five hundred thirty-two million, seven hundred twenty-six thousand, seven hundred four".