123568445 has 48 divisors (see below), whose sum is σ = 202704768. Its totient is φ = 71084160.

The previous prime is 123568433. The next prime is 123568451. The reversal of 123568445 is 544865321.

It is not a de Polignac number, because 123568445 - 2²² = 119374141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123568399 and 123568408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33272 + ... + 36798.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^123568445 is an apocalyptic number.

It is an amenable number.

123568445 is a deficient number, since it is larger than the sum of its proper divisors (79136323).

123568445 is a wasteful number, since it uses less digits than its factorization.

123568445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 3563 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 123568445 is about 11116.1344450308. The cubic root of 123568445 is about 498.0839267057.

The spelling of 123568445 in words is "one hundred twenty-three million, five hundred sixty-eight thousand, four hundred forty-five".