23170056 has 96 divisors (see below), whose sum is σ = 71991360. Its totient is φ = 6051456.

The previous prime is 23170027. The next prime is 23170073. The reversal of 23170056 is 65007132.

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 23 ways as a sum of consecutive naturals, for example, 224901 + ... + 225003.

It is an arithmetic number, because the mean of its divisors is an integer number (749910).

Almost surely, 2^23170056 is an apocalyptic number.

23170056 is a gapful number since it is divisible by the number (26) 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 23170056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35995680).

23170056 is an abundant number, since it is smaller than the sum of its proper divisors (48821304).

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

23170056 is a wasteful number, since it uses less digits than its factorization.

23170056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 23170056 is about 4813.5284355657. The cubic root of 23170056 is about 285.0858713233.

Adding to 23170056 its reverse (65007132), we get a palindrome (88177188).

The spelling of 23170056 in words is "twenty-three million, one hundred seventy thousand, fifty-six".