23257668 has 96 divisors (see below), whose sum is σ = 65286144. Its totient is φ = 6306048.

The previous prime is 23257651. The next prime is 23257673. The reversal of 23257668 is 86675232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169696 + ... + 169832.

It is an arithmetic number, because the mean of its divisors is an integer number (680064).

Almost surely, 2^23257668 is an apocalyptic number.

23257668 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 23257668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32643072).

23257668 is an abundant number, since it is smaller than the sum of its proper divisors (42028476).

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

23257668 is a wasteful number, since it uses less digits than its factorization.

23257668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 23257668 is about 4822.6204495067. The cubic root of 23257668 is about 285.4447472778. Note that the first 3 decimals are identical.

The spelling of 23257668 in words is "twenty-three million, two hundred fifty-seven thousand, six hundred sixty-eight".