23344945 has 8 divisors (see below), whose sum is σ = 30168936. Its totient is φ = 17239296.

The previous prime is 23344921. The next prime is 23344973. The reversal of 23344945 is 54944332.

23344945 = 3416² + 3417².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 467856 + 22877089 = 684^2 + 4783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23344945 - 2¹¹ = 23342897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23344945.

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, 179512 + ... + 179641.

It is an arithmetic number, because the mean of its divisors is an integer number (3771117).

Almost surely, 2^23344945 is an apocalyptic number.

23344945 is the 3417-th centered square number.

It is an amenable number.

23344945 is a deficient number, since it is larger than the sum of its proper divisors (6823991).

23344945 is a wasteful number, since it uses less digits than its factorization.

23344945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359171.

The product of its digits is 51840, while the sum is 34.

The square root of 23344945 is about 4831.6606875897. The cubic root of 23344945 is about 285.8013560225.

The spelling of 23344945 in words is "twenty-three million, three hundred forty-four thousand, nine hundred forty-five".