23115003553 has 4 divisors (see below), whose sum is σ = 23116535428. Its totient is φ = 23113471680.

The previous prime is 23115003529. The next prime is 23115003557. The reversal of 23115003553 is 35530051132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20927383569 + 2187619984 = 144663^2 + 46772^2 .

It is a cyclic number.

It is not a de Polignac number, because 23115003553 - 2²⁹ = 22578132641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23115003557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743076 + ... + 773557.

It is an arithmetic number, because the mean of its divisors is an integer number (5779133857).

Almost surely, 2^23115003553 is an apocalyptic number.

It is an amenable number.

23115003553 is a deficient number, since it is larger than the sum of its proper divisors (1531875).

23115003553 is a wasteful number, since it uses less digits than its factorization.

23115003553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531874.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 23115003553 its reverse (35530051132), we get a palindrome (58645054685).

The spelling of 23115003553 in words is "twenty-three billion, one hundred fifteen million, three thousand, five hundred fifty-three".