23122164 has 96 divisors (see below), whose sum is σ = 63504000. Its totient is φ = 6483456.

The previous prime is 23122147. The next prime is 23122213. The reversal of 23122164 is 46122132.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23122164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85822 + ... + 86090.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^23122164 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 23122164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31752000).

23122164 is an abundant number, since it is smaller than the sum of its proper divisors (40381836).

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

23122164 is a wasteful number, since it uses less digits than its factorization.

23122164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 23122164 is about 4808.5511331377. The cubic root of 23122164 is about 284.8893137432.

Adding to 23122164 its reverse (46122132), we get a palindrome (69244296).

The spelling of 23122164 in words is "twenty-three million, one hundred twenty-two thousand, one hundred sixty-four".