23165422364 has 48 divisors (see below), whose sum is σ = 48815155200. Its totient is φ = 9396668736.

The previous prime is 23165422361. The next prime is 23165422387. The reversal of 23165422364 is 46322456132.

It is a super-2 number, since 2×23165422364² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23165422361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561557 + ... + 601395.

It is an arithmetic number, because the mean of its divisors is an integer number (1016982400).

Almost surely, 2^23165422364 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 23165422364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24407577600).

23165422364 is an abundant number, since it is smaller than the sum of its proper divisors (25649732836).

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

23165422364 is a wasteful number, since it uses less digits than its factorization.

23165422364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40962 (or 40960 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

Adding to 23165422364 its reverse (46322456132), we get a palindrome (69487878496).

The spelling of 23165422364 in words is "twenty-three billion, one hundred sixty-five million, four hundred twenty-two thousand, three hundred sixty-four".