10533521423 has 4 divisors (see below), whose sum is σ = 10533804960. Its totient is φ = 10533237888.

The previous prime is 10533521377. The next prime is 10533521483. The reversal of 10533521423 is 32412533501.

It is a happy number.

10533521423 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10533521423 is a prime.

It is a super-2 number, since 2×10533521423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533521483) 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, 75815 + ... + 163752.

It is an arithmetic number, because the mean of its divisors is an integer number (2633451240).

Almost surely, 2^10533521423 is an apocalyptic number.

10533521423 is a deficient number, since it is larger than the sum of its proper divisors (283537).

10533521423 is an equidigital number, since it uses as much as digits as its factorization.

10533521423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283536.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 10533521423 in words is "ten billion, five hundred thirty-three million, five hundred twenty-one thousand, four hundred twenty-three".