23444456779 has 16 divisors (see below), whose sum is σ = 24682523040. Its totient is φ = 22238979840.

The previous prime is 23444456771. The next prime is 23444456803. The reversal of 23444456779 is 97765444432.

It is a cyclic number.

It is not a de Polignac number, because 23444456779 - 2³ = 23444456771 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (23444456771) 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 15 ways as a sum of consecutive naturals, for example, 2588032 + ... + 2597074.

It is an arithmetic number, because the mean of its divisors is an integer number (1542657690).

Almost surely, 2^23444456779 is an apocalyptic number.

23444456779 is a deficient number, since it is larger than the sum of its proper divisors (1238066261).

23444456779 is a wasteful number, since it uses less digits than its factorization.

23444456779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830.

The product of its digits is 20321280, while the sum is 55.

The spelling of 23444456779 in words is "twenty-three billion, four hundred forty-four million, four hundred fifty-six thousand, seven hundred seventy-nine".