23171064 has 64 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 6553344.

The previous prime is 23171059. The next prime is 23171131. The reversal of 23171064 is 46017132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17332 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (1044900).

Almost surely, 2^23171064 is an apocalyptic number.

23171064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23171064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33436800).

23171064 is an abundant number, since it is smaller than the sum of its proper divisors (43702536).

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

23171064 is a wasteful number, since it uses less digits than its factorization.

23171064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 23171064 is about 4813.6331393242. The cubic root of 23171064 is about 285.0900054291.

Adding to 23171064 its reverse (46017132), we get a palindrome (69188196).

The spelling of 23171064 in words is "twenty-three million, one hundred seventy-one thousand, sixty-four".