23008813 has 2 divisors, whose sum is σ = 23008814. Its totient is φ = 23008812.

The previous prime is 23008807. The next prime is 23008819. The reversal of 23008813 is 31880032.

It is a balanced prime because it is at equal distance from previous prime (23008807) and next prime (23008819).

It can be written as a sum of positive squares in only one way, i.e., 20043529 + 2965284 = 4477^2 + 1722^2 .

It is a cyclic number.

It is not a de Polignac number, because 23008813 - 2⁹ = 23008301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23008819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11504406 + 11504407.

It is an arithmetic number, because the mean of its divisors is an integer number (11504407).

Almost surely, 2^23008813 is an apocalyptic number.

It is an amenable number.

23008813 is a deficient number, since it is larger than the sum of its proper divisors (1).

23008813 is an equidigital number, since it uses as much as digits as its factorization.

23008813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 23008813 is about 4796.7502540783. The cubic root of 23008813 is about 284.4230165347.

Adding to 23008813 its reverse (31880032), we get a palindrome (54888845).

The spelling of 23008813 in words is "twenty-three million, eight thousand, eight hundred thirteen".