23945445 has 48 divisors (see below), whose sum is σ = 43804800. Its totient is φ = 12082560.

The previous prime is 23945443. The next prime is 23945473. The reversal of 23945445 is 54454932.

It is a happy number.

23945445 is a `hidden beast` number, since 23 + 94 + 544 + 5 = 666.

It is not a de Polignac number, because 23945445 - 2¹ = 23945443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23945443) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 76840 + ... + 77150.

It is an arithmetic number, because the mean of its divisors is an integer number (912600).

Almost surely, 2^23945445 is an apocalyptic number.

It is an amenable number.

23945445 is a deficient number, since it is larger than the sum of its proper divisors (19859355).

23945445 is a wasteful number, since it uses less digits than its factorization.

23945445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 407 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 23945445 is about 4893.4083214054. The cubic root of 23945445 is about 288.2311873430.

The spelling of 23945445 in words is "twenty-three million, nine hundred forty-five thousand, four hundred forty-five".