23012233 has 2 divisors, whose sum is σ = 23012234. Its totient is φ = 23012232.

The previous prime is 23012221. The next prime is 23012239. The reversal of 23012233 is 33221032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23011209 + 1024 = 4797^2 + 32^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23012233 is a prime.

It is not a weakly prime, because it can be changed into another prime (23012239) 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 as a sum of consecutive naturals, namely, 11506116 + 11506117.

It is an arithmetic number, because the mean of its divisors is an integer number (11506117).

Almost surely, 2^23012233 is an apocalyptic number.

It is an amenable number.

23012233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012233 is an equidigital number, since it uses as much as digits as its factorization.

23012233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23012233 is about 4797.1067321876. The cubic root of 23012233 is about 284.4371079255.

Adding to 23012233 its reverse (33221032), we get a palindrome (56233265).

The spelling of 23012233 in words is "twenty-three million, twelve thousand, two hundred thirty-three".