22823521013 has 4 divisors (see below), whose sum is σ = 22895519820. Its totient is φ = 22751522208.

The previous prime is 22823520971. The next prime is 22823521093. The reversal of 22823521013 is 31012532822.

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 9474491569 + 13349029444 = 97337^2 + 115538^2 .

It is a cyclic number.

It is not a de Polignac number, because 22823521013 - 2⁶ = 22823520949 is a prime.

It is a super-2 number, since 2×22823521013² (a number of 22 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 (22823521093) 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, 35998928 + ... + 35999561.

It is an arithmetic number, because the mean of its divisors is an integer number (5723879955).

Almost surely, 2^22823521013 is an apocalyptic number.

It is an amenable number.

22823521013 is a deficient number, since it is larger than the sum of its proper divisors (71998807).

22823521013 is an equidigital number, since it uses as much as digits as its factorization.

22823521013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71998806.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 22823521013 in words is "twenty-two billion, eight hundred twenty-three million, five hundred twenty-one thousand, thirteen".