23422306544 has 320 divisors, whose sum is σ = 61746048000. Its totient is φ = 8522744832.

The previous prime is 23422306471. The next prime is 23422306549. The reversal of 23422306544 is 44560322432.

It is a happy number.

It is a super-2 number, since 2×23422306544² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422306549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50154599 + ... + 50155065.

It is an arithmetic number, because the mean of its divisors is an integer number (192956400).

Almost surely, 2^23422306544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23422306544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30873024000).

23422306544 is an abundant number, since it is smaller than the sum of its proper divisors (38323741456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23422306544 is a wasteful number, since it uses less digits than its factorization.

23422306544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 23422306544 its reverse (44560322432), we get a palindrome (67982628976).

The spelling of 23422306544 in words is "twenty-three billion, four hundred twenty-two million, three hundred six thousand, five hundred forty-four".