10233547921 has 3 divisors (see below), whose sum is σ = 10233649083. Its totient is φ = 10233446760.

The previous prime is 10233547913. The next prime is 10233547931. The reversal of 10233547921 is 12974533201.

The square root of 10233547921 is 101161.

It is a perfect power (a square), and thus also a powerful number.

10233547921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 9465149521 + 768398400 = 97289^2 + 27720^2 .

It is not a de Polignac number, because 10233547921 - 2³ = 10233547913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10233547931) 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 2 ways as a sum of consecutive naturals, for example, 50581 + ... + 151741.

It is an arithmetic number, because the mean of its divisors is an integer number (3411216361).

Almost surely, 2^10233547921 is an apocalyptic number.

10233547921 is the 101161-st square number.

10233547921 is the 50581-st centered octagonal number.

It is an amenable number.

10233547921 is a deficient number, since it is larger than the sum of its proper divisors (101162).

10233547921 is an frugal number, since it uses more digits than its factorization.

10233547921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202322 (or 101161 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 10233547921 in words is "ten billion, two hundred thirty-three million, five hundred forty-seven thousand, nine hundred twenty-one".