23049899 has 4 divisors (see below), whose sum is σ = 23063136. Its totient is φ = 23036664.

The previous prime is 23049883. The next prime is 23049911. The reversal of 23049899 is 99894032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23049899 - 2⁴ = 23049883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23049199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (5765784).

Almost surely, 2^23049899 is an apocalyptic number.

23049899 is a deficient number, since it is larger than the sum of its proper divisors (13237).

23049899 is a wasteful number, since it uses less digits than its factorization.

23049899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 23049899 is about 4801.0310351007. The cubic root of 23049899 is about 284.5922104767.

The spelling of 23049899 in words is "twenty-three million, forty-nine thousand, eight hundred ninety-nine".