23223553 has 2 divisors, whose sum is σ = 23223554. Its totient is φ = 23223552.

The previous prime is 23223527. The next prime is 23223559. The reversal of 23223553 is 35532232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 9437184 = 3713^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223553 - 2⁹ = 23223041 is a prime.

It is not a weakly prime, because it can be changed into another prime (23223559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611776 + 11611777.

It is an arithmetic number, because the mean of its divisors is an integer number (11611777).

Almost surely, 2^23223553 is an apocalyptic number.

It is an amenable number.

23223553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223553 is an equidigital number, since it uses as much as digits as its factorization.

23223553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 25.

The square root of 23223553 is about 4819.0821740244. The cubic root of 23223553 is about 285.3051128608.

Adding to 23223553 its reverse (35532232), we get a palindrome (58755785).

The spelling of 23223553 in words is "twenty-three million, two hundred twenty-three thousand, five hundred fifty-three".