23011203 has 4 divisors (see below), whose sum is σ = 30681608. Its totient is φ = 15340800.

The previous prime is 23011189. The next prime is 23011211. The reversal of 23011203 is 30211032.

It is a happy number.

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

It is not a de Polignac number, because 23011203 - 2⁶ = 23011139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23011273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3835198 + ... + 3835203.

It is an arithmetic number, because the mean of its divisors is an integer number (7670402).

Almost surely, 2^23011203 is an apocalyptic number.

23011203 is a deficient number, since it is larger than the sum of its proper divisors (7670405).

23011203 is an equidigital number, since it uses as much as digits as its factorization.

23011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670404.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23011203 is about 4796.9993746091. Note that the first 3 decimals coincide. The cubic root of 23011203 is about 284.4328641741.

Adding to 23011203 its reverse (30211032), we get a palindrome (53222235).

The spelling of 23011203 in words is "twenty-three million, eleven thousand, two hundred three".