23004913 has 2 divisors, whose sum is σ = 23004914. Its totient is φ = 23004912.

The previous prime is 23004911. The next prime is 23004929. The reversal of 23004913 is 31940032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 613089 = 4732^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 23004913 - 2¹ = 23004911 is a prime.

Together with 23004911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23004911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502456 + 11502457.

It is an arithmetic number, because the mean of its divisors is an integer number (11502457).

Almost surely, 2^23004913 is an apocalyptic number.

It is an amenable number.

23004913 is a deficient number, since it is larger than the sum of its proper divisors (1).

23004913 is an equidigital number, since it uses as much as digits as its factorization.

23004913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23004913 is about 4796.3437116203. The cubic root of 23004913 is about 284.4069457007.

Adding to 23004913 its reverse (31940032), we get a palindrome (54944945).

The spelling of 23004913 in words is "twenty-three million, four thousand, nine hundred thirteen".