22323543245 has 4 divisors (see below), whose sum is σ = 26788251900. Its totient is φ = 17858834592.

The previous prime is 22323543199. The next prime is 22323543287. The reversal of 22323543245 is 54234532322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54234532322 = 2 ⋅27117266161.

It can be written as a sum of positive squares in 2 ways, for example, as 7290085924 + 15033457321 = 85382^2 + 122611^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323543245 - 2²² = 22319348941 is a prime.

It is a super-3 number, since 3×22323543245³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2232354320 + ... + 2232354329.

It is an arithmetic number, because the mean of its divisors is an integer number (6697062975).

Almost surely, 2^22323543245 is an apocalyptic number.

It is an amenable number.

22323543245 is a deficient number, since it is larger than the sum of its proper divisors (4464708655).

22323543245 is an equidigital number, since it uses as much as digits as its factorization.

22323543245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464708654.

The product of its digits is 172800, while the sum is 35.

The spelling of 22323543245 in words is "twenty-two billion, three hundred twenty-three million, five hundred forty-three thousand, two hundred forty-five".