23313553 has 2 divisors, whose sum is σ = 23313554. Its totient is φ = 23313552.

The previous prime is 23313541. The next prime is 23313569. The reversal of 23313553 is 35531332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23309584 + 3969 = 4828^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313553 - 2¹³ = 23305361 is a prime.

It is not a weakly prime, because it can be changed into another prime (23313533) 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, 11656776 + 11656777.

It is an arithmetic number, because the mean of its divisors is an integer number (11656777).

Almost surely, 2^23313553 is an apocalyptic number.

It is an amenable number.

23313553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313553 is an equidigital number, since it uses as much as digits as its factorization.

23313553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 25.

The square root of 23313553 is about 4828.4110222722. The cubic root of 23313553 is about 285.6731926496.

Adding to 23313553 its reverse (35531332), we get a palindrome (58844885).

The spelling of 23313553 in words is "twenty-three million, three hundred thirteen thousand, five hundred fifty-three".