10123530133 has 4 divisors (see below), whose sum is σ = 10124482348. Its totient is φ = 10122577920.

The previous prime is 10123530127. The next prime is 10123530181. The reversal of 10123530133 is 33103532101.

It is a happy number.

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 9842028849 + 281501284 = 99207^2 + 16778^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123530133 - 2⁹ = 10123529621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123530113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459978 + ... + 481483.

It is an arithmetic number, because the mean of its divisors is an integer number (2531120587).

Almost surely, 2^10123530133 is an apocalyptic number.

It is an amenable number.

10123530133 is a deficient number, since it is larger than the sum of its proper divisors (952215).

10123530133 is an equidigital number, since it uses as much as digits as its factorization.

10123530133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952214.

The product of its (nonzero) digits is 810, while the sum is 22.

The spelling of 10123530133 in words is "ten billion, one hundred twenty-three million, five hundred thirty thousand, one hundred thirty-three".