23203049 has 4 divisors (see below), whose sum is σ = 23239236. Its totient is φ = 23166864.

The previous prime is 23203031. The next prime is 23203051. The reversal of 23203049 is 94030232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2890000 + 20313049 = 1700^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203049 - 2⁸ = 23202793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23203099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17114 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (5809809).

Almost surely, 2^23203049 is an apocalyptic number.

It is an amenable number.

23203049 is a deficient number, since it is larger than the sum of its proper divisors (36187).

23203049 is an equidigital number, since it uses as much as digits as its factorization.

23203049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36186.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23203049 is about 4816.9543282037. The cubic root of 23203049 is about 285.2211231500.

The spelling of 23203049 in words is "twenty-three million, two hundred three thousand, forty-nine".