23122851844 has 9 divisors (see below), whose sum is σ = 40465522951. Its totient is φ = 11561273860.

The previous prime is 23122851839. The next prime is 23122851847. The reversal of 23122851844 is 44815822132.

It is a happy number.

The square root of 23122851844 is 152062.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23122851797 and 23122851806.

It is not an unprimeable number, because it can be changed into a prime (23122851847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 266109 + ... + 342139.

Almost surely, 2^23122851844 is an apocalyptic number.

23122851844 is the 152062-nd square number.

It is an amenable number.

23122851844 is a deficient number, since it is larger than the sum of its proper divisors (17342671107).

23122851844 is an frugal number, since it uses more digits than its factorization.

23122851844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152066 (or 76033 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The spelling of 23122851844 in words is "twenty-three billion, one hundred twenty-two million, eight hundred fifty-one thousand, eight hundred forty-four".