123426064 has 20 divisors (see below), whose sum is σ = 242416156. Its totient is φ = 60867072.

The previous prime is 123426047. The next prime is 123426091. The reversal of 123426064 is 460624321.

It can be written as a sum of positive squares in 2 ways, for example, as 86118400 + 37307664 = 9280^2 + 6108^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51669 + ... + 54004.

Almost surely, 2^123426064 is an apocalyptic number.

It is an amenable number.

123426064 is a deficient number, since it is larger than the sum of its proper divisors (118990092).

123426064 is a wasteful number, since it uses less digits than its factorization.

123426064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105754 (or 105748 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 123426064 is about 11109.7283495142. The cubic root of 123426064 is about 497.8925484424.

The spelling of 123426064 in words is "one hundred twenty-three million, four hundred twenty-six thousand, sixty-four".