23349664 has 72 divisors (see below), whose sum is σ = 52120908. Its totient is φ = 10229760.

The previous prime is 23349659. The next prime is 23349671. The reversal of 23349664 is 46694332.

It can be written as a sum of positive squares in 6 ways, for example, as 11155600 + 12194064 = 3340^2 + 3492^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569484 + ... + 569524.

Almost surely, 2^23349664 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 23349664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26060454).

23349664 is an abundant number, since it is smaller than the sum of its proper divisors (28771244).

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

23349664 is a wasteful number, since it uses less digits than its factorization.

23349664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 93 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The square root of 23349664 is about 4832.1490043251. The cubic root of 23349664 is about 285.8206122360.

The spelling of 23349664 in words is "twenty-three million, three hundred forty-nine thousand, six hundred sixty-four".