23238869 has 2 divisors, whose sum is σ = 23238870. Its totient is φ = 23238868.

The previous prime is 23238833. The next prime is 23238913. The reversal of 23238869 is 96883232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 438244 = 4775^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 23238869 - 2⁸ = 23238613 is a prime.

It is a super-2 number, since 2×23238869² = 1080090064798322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23238169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11619434 + 11619435.

It is an arithmetic number, because the mean of its divisors is an integer number (11619435).

Almost surely, 2^23238869 is an apocalyptic number.

It is an amenable number.

23238869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23238869 is an equidigital number, since it uses as much as digits as its factorization.

23238869 is an evil number, because the sum of its binary digits is even.

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

The square root of 23238869 is about 4820.6710113842. The cubic root of 23238869 is about 285.3678189254.

The spelling of 23238869 in words is "twenty-three million, two hundred thirty-eight thousand, eight hundred sixty-nine".