22323685493 has 4 divisors (see below), whose sum is σ = 22323987660. Its totient is φ = 22323383328.

The previous prime is 22323685481. The next prime is 22323685519. The reversal of 22323685493 is 39458632322.

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 2 ways, for example, as 10784199409 + 11539486084 = 103847^2 + 107422^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323685493 - 2³⁴ = 5143816309 is a prime.

It is a super-3 number, since 3×22323685493³ (a number of 32 digits) contains 333 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 (22323685393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41921 + ... + 215417.

It is an arithmetic number, because the mean of its divisors is an integer number (5580996915).

Almost surely, 2^22323685493 is an apocalyptic number.

It is an amenable number.

22323685493 is a deficient number, since it is larger than the sum of its proper divisors (302167).

22323685493 is a wasteful number, since it uses less digits than its factorization.

22323685493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302166.

The product of its digits is 1866240, while the sum is 47.

The spelling of 22323685493 in words is "twenty-two billion, three hundred twenty-three million, six hundred eighty-five thousand, four hundred ninety-three".