23008553 has 2 divisors, whose sum is σ = 23008554. Its totient is φ = 23008552.

The previous prime is 23008549. The next prime is 23008567. The reversal of 23008553 is 35580032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21780889 + 1227664 = 4667^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 23008553 - 2² = 23008549 is a prime.

It is a super-2 number, since 2×23008553² = 1058787022307618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23098553) 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, 11504276 + 11504277.

It is an arithmetic number, because the mean of its divisors is an integer number (11504277).

Almost surely, 2^23008553 is an apocalyptic number.

It is an amenable number.

23008553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23008553 is an equidigital number, since it uses as much as digits as its factorization.

23008553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 23008553 is about 4796.7231523197. The cubic root of 23008553 is about 284.4219452023.

Adding to 23008553 its reverse (35580032), we get a palindrome (58588585).

It can be divided in two parts, 2 and 3008553, that multiplied together give a palindrome (6017106).

The spelling of 23008553 in words is "twenty-three million, eight thousand, five hundred fifty-three".