23571968 has 40 divisors (see below), whose sum is σ = 53834352. Its totient is φ = 10100736.

The previous prime is 23571967. The next prime is 23571991. The reversal of 23571968 is 86917532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23571967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 296 + ... + 6872.

Almost surely, 2^23571968 is an apocalyptic number.

23571968 is a gapful number since it is divisible by the number (28) 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 23571968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26917176).

23571968 is an abundant number, since it is smaller than the sum of its proper divisors (30262384).

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

23571968 is an frugal number, since it uses more digits than its factorization.

23571968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602 (or 6586 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 23571968 is about 4855.0971154036. The cubic root of 23571968 is about 286.7248148373.

The spelling of 23571968 in words is "twenty-three million, five hundred seventy-one thousand, nine hundred sixty-eight".