23870369 has 2 divisors, whose sum is σ = 23870370. Its totient is φ = 23870368.

The previous prime is 23870339. The next prime is 23870377. The reversal of 23870369 is 96307832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15108769 + 8761600 = 3887^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 23870369 - 2¹² = 23866273 is a prime.

It is a super-2 number, since 2×23870369² = 1139589032392322, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23870339) 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, 11935184 + 11935185.

It is an arithmetic number, because the mean of its divisors is an integer number (11935185).

Almost surely, 2^23870369 is an apocalyptic number.

It is an amenable number.

23870369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23870369 is an equidigital number, since it uses as much as digits as its factorization.

23870369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 23870369 is about 4885.7311632958. The cubic root of 23870369 is about 287.9296421817.

It can be divided in two parts, 238 and 70369, that added together give a palindrome (70607).

The spelling of 23870369 in words is "twenty-three million, eight hundred seventy thousand, three hundred sixty-nine".