2289923 has 2 divisors, whose sum is σ = 2289924. Its totient is φ = 2289922.

The previous prime is 2289919. The next prime is 2289929. The reversal of 2289923 is 3299822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2289923 - 2² = 2289919 is a prime.

It is a super-3 number, since 3×2289923³ = 36023332960895320401, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁷ + 8³ + 9 + 9² + 2²¹ + 3¹⁰ .

It is not a weakly prime, because it can be changed into another prime (2289929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144961 + 1144962.

It is an arithmetic number, because the mean of its divisors is an integer number (1144962).

2^2289923 is an apocalyptic number.

2289923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289923 is an equidigital number, since it uses as much as digits as its factorization.

2289923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 2289923 is about 1513.2491533122. The cubic root of 2289923 is about 131.8075516668.

It can be divided in two parts, 22899 and 23, that added together give a palindrome (22922).

The spelling of 2289923 in words is "two million, two hundred eighty-nine thousand, nine hundred twenty-three".