23340089 has 2 divisors, whose sum is σ = 23340090. Its totient is φ = 23340088.

The previous prime is 23340077. The next prime is 23340137. The reversal of 23340089 is 98004332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21114025 + 2226064 = 4595^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340089 - 2²⁰ = 22291513 is a prime.

It is a Chen prime.

It is equal to p_1468307 and since 23340089 and 1468307 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23340019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670044 + 11670045.

It is an arithmetic number, because the mean of its divisors is an integer number (11670045).

Almost surely, 2^23340089 is an apocalyptic number.

It is an amenable number.

23340089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340089 is an equidigital number, since it uses as much as digits as its factorization.

23340089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 23340089 is about 4831.1581427231. The cubic root of 23340089 is about 285.7815380615.

The spelling of 23340089 in words is "twenty-three million, three hundred forty thousand, eighty-nine".