23044621 has 2 divisors, whose sum is σ = 23044622. Its totient is φ = 23044620.

The previous prime is 23044607. The next prime is 23044631. The reversal of 23044621 is 12644032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21288996 + 1755625 = 4614^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 23044621 - 2¹⁷ = 22913549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23044592 and 23044601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23044601) 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, 11522310 + 11522311.

It is an arithmetic number, because the mean of its divisors is an integer number (11522311).

Almost surely, 2^23044621 is an apocalyptic number.

It is an amenable number.

23044621 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044621 is an equidigital number, since it uses as much as digits as its factorization.

23044621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23044621 is about 4800.4813300335. The cubic root of 23044621 is about 284.5704867032.

Adding to 23044621 its reverse (12644032), we get a palindrome (35688653).

The spelling of 23044621 in words is "twenty-three million, forty-four thousand, six hundred twenty-one".