23451568 has 80 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 9289728.

The previous prime is 23451563. The next prime is 23451569. The reversal of 23451568 is 86515432.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (23451563) 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, 207480 + ... + 207592.

It is an arithmetic number, because the mean of its divisors is an integer number (699732).

Almost surely, 2^23451568 is an apocalyptic number.

23451568 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 23451568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27989280).

23451568 is an abundant number, since it is smaller than the sum of its proper divisors (32526992).

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

23451568 is a wasteful number, since it uses less digits than its factorization.

23451568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 23451568 is about 4842.6819015913. The cubic root of 23451568 is about 286.2358072837.

The spelling of 23451568 in words is "twenty-three million, four hundred fifty-one thousand, five hundred sixty-eight".