23223011 has 6 divisors (see below), whose sum is σ = 27014580. Its totient is φ = 19905396.

The previous prime is 23222989. The next prime is 23223017. The reversal of 23223011 is 11032232.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23223011 is a prime.

It is a super-2 number, since 2×23223011² = 1078616479812242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23223017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236921 + ... + 237018.

It is an arithmetic number, because the mean of its divisors is an integer number (4502430).

Almost surely, 2^23223011 is an apocalyptic number.

23223011 is a deficient number, since it is larger than the sum of its proper divisors (3791569).

23223011 is an equidigital number, since it uses as much as digits as its factorization.

23223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473953 (or 473946 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23223011 is about 4819.0259389217. The cubic root of 23223011 is about 285.3028933242.

Adding to 23223011 its reverse (11032232), we get a palindrome (34255243).

The spelling of 23223011 in words is "twenty-three million, two hundred twenty-three thousand, eleven".