23444489 has 2 divisors, whose sum is σ = 23444490. Its totient is φ = 23444488.

The previous prime is 23444471. The next prime is 23444527. The reversal of 23444489 is 98444432.

It is an a-pointer prime, because the next prime (23444527) can be obtained adding 23444489 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 11424400 = 3467^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 23444489 - 2¹² = 23440393 is a prime.

It is a super-2 number, since 2×23444489² = 1099288128942242, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (23444419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722244 + 11722245.

It is an arithmetic number, because the mean of its divisors is an integer number (11722245).

Almost surely, 2^23444489 is an apocalyptic number.

It is an amenable number.

23444489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444489 is an equidigital number, since it uses as much as digits as its factorization.

23444489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The square root of 23444489 is about 4841.9509497722. The cubic root of 23444489 is about 286.2070037059.

The spelling of 23444489 in words is "twenty-three million, four hundred forty-four thousand, four hundred eighty-nine".