23105449 has 8 divisors (see below), whose sum is σ = 23637672. Its totient is φ = 22579200.

The previous prime is 23105443. The next prime is 23105471. The reversal of 23105449 is 94450132.

It can be written as a sum of positive squares in 4 ways, for example, as 257049 + 22848400 = 507^2 + 4780^2 .

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 23105449 - 2³ = 23105441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6849 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (2954709).

Almost surely, 2^23105449 is an apocalyptic number.

It is an amenable number.

23105449 is a deficient number, since it is larger than the sum of its proper divisors (532223).

23105449 is a wasteful number, since it uses less digits than its factorization.

23105449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 23105449 is about 4806.8127693930. The cubic root of 23105449 is about 284.8206484169.

The spelling of 23105449 in words is "twenty-three million, one hundred five thousand, four hundred forty-nine".