23309093 has 2 divisors, whose sum is σ = 23309094. Its totient is φ = 23309092.

The previous prime is 23309089. The next prime is 23309107. The reversal of 23309093 is 39090332.

It is a happy number.

23309093 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 1760929 = 4642^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 23309093 - 2² = 23309089 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23309063) 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, 11654546 + 11654547.

It is an arithmetic number, because the mean of its divisors is an integer number (11654547).

Almost surely, 2^23309093 is an apocalyptic number.

It is an amenable number.

23309093 is a deficient number, since it is larger than the sum of its proper divisors (1).

23309093 is an equidigital number, since it uses as much as digits as its factorization.

23309093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 23309093 is about 4827.9491505193. The cubic root of 23309093 is about 285.6549745814.

The spelling of 23309093 in words is "twenty-three million, three hundred nine thousand, ninety-three".