23232664 has 96 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 8902656.

The previous prime is 23232661. The next prime is 23232673. The reversal of 23232664 is 46623232.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239464 + ... + 239560.

It is an arithmetic number, because the mean of its divisors is an integer number (586530).

Almost surely, 2^23232664 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 23232664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28153440).

23232664 is an abundant number, since it is smaller than the sum of its proper divisors (33074216).

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

23232664 is a wasteful number, since it uses less digits than its factorization.

23232664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 166 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 23232664 is about 4820.0273858143. The cubic root of 23232664 is about 285.3424180200.

Adding to 23232664 its reverse (46623232), we get a palindrome (69855896).

It can be divided in two parts, 232 and 32664, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 23232664 in words is "twenty-three million, two hundred thirty-two thousand, six hundred sixty-four".