23005305553 has 2 divisors, whose sum is σ = 23005305554. Its totient is φ = 23005305552.

The previous prime is 23005305527. The next prime is 23005305637. The reversal of 23005305553 is 35550350032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16550307904 + 6454997649 = 128648^2 + 80343^2 .

It is a cyclic number.

It is not a de Polignac number, because 23005305553 - 2³³ = 14415370961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23005305503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502652776 + 11502652777.

It is an arithmetic number, because the mean of its divisors is an integer number (11502652777).

Almost surely, 2^23005305553 is an apocalyptic number.

It is an amenable number.

23005305553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23005305553 is an equidigital number, since it uses as much as digits as its factorization.

23005305553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 31.

Adding to 23005305553 its reverse (35550350032), we get a palindrome (58555655585).

The spelling of 23005305553 in words is "twenty-three billion, five million, three hundred five thousand, five hundred fifty-three".