23773489 has 2 divisors, whose sum is σ = 23773490. Its totient is φ = 23773488.

The previous prime is 23773471. The next prime is 23773501. The reversal of 23773489 is 98437732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14379264 + 9394225 = 3792^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 23773489 - 2²¹ = 21676337 is a prime.

It is not a weakly prime, because it can be changed into another prime (23773889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11886744 + 11886745.

It is an arithmetic number, because the mean of its divisors is an integer number (11886745).

Almost surely, 2^23773489 is an apocalyptic number.

It is an amenable number.

23773489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23773489 is an equidigital number, since it uses as much as digits as its factorization.

23773489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 23773489 is about 4875.8064973910. The cubic root of 23773489 is about 287.5395847196.

The spelling of 23773489 in words is "twenty-three million, seven hundred seventy-three thousand, four hundred eighty-nine".