23049599 has 4 divisors (see below), whose sum is σ = 23540064. Its totient is φ = 22559136.

The previous prime is 23049571. The next prime is 23049613. The reversal of 23049599 is 99594032.

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 23049599 - 2⁸ = 23049343 is a prime.

It is a Duffinian number.

It is a congruent 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245162 + ... + 245255.

It is an arithmetic number, because the mean of its divisors is an integer number (5885016).

Almost surely, 2^23049599 is an apocalyptic number.

23049599 is a deficient number, since it is larger than the sum of its proper divisors (490465).

23049599 is an equidigital number, since it uses as much as digits as its factorization.

23049599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490464.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 23049599 is about 4800.9997917101. Note that the first 3 decimals coincide. The cubic root of 23049599 is about 284.5909757925.

The spelling of 23049599 in words is "twenty-three million, forty-nine thousand, five hundred ninety-nine".