23127664 has 40 divisors (see below), whose sum is σ = 52604768. Its totient is φ = 9642240.

The previous prime is 23127661. The next prime is 23127677. The reversal of 23127664 is 46672132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23127661) 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 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 6934.

Almost surely, 2^23127664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23127664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26302384).

23127664 is an abundant number, since it is smaller than the sum of its proper divisors (29477104).

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

23127664 is a wasteful number, since it uses less digits than its factorization.

23127664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633 (or 5627 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 23127664 is about 4809.1229969715. The cubic root of 23127664 is about 284.9119005421.

Adding to 23127664 its reverse (46672132), we get a palindrome (69799796).

The spelling of 23127664 in words is "twenty-three million, one hundred twenty-seven thousand, six hundred sixty-four".