23238689 has 2 divisors, whose sum is σ = 23238690. Its totient is φ = 23238688.

The previous prime is 23238667. The next prime is 23238703. The reversal of 23238689 is 98683232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 10336225 = 3592^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 23238689 - 2¹⁶ = 23173153 is a prime.

It is not a weakly prime, because it can be changed into another prime (23238629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11619344 + 11619345.

It is an arithmetic number, because the mean of its divisors is an integer number (11619345).

Almost surely, 2^23238689 is an apocalyptic number.

It is an amenable number.

23238689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23238689 is an equidigital number, since it uses as much as digits as its factorization.

23238689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 23238689 is about 4820.6523417480. The cubic root of 23238689 is about 285.3670821376.

The spelling of 23238689 in words is "twenty-three million, two hundred thirty-eight thousand, six hundred eighty-nine".