23473664 has 60 divisors (see below), whose sum is σ = 49889664. Its totient is φ = 11031552.

The previous prime is 23473663. The next prime is 23473669. The reversal of 23473664 is 46637432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23473663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184769 + ... + 184895.

Almost surely, 2^23473664 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 23473664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24944832).

23473664 is an abundant number, since it is smaller than the sum of its proper divisors (26416000).

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

23473664 is an equidigital number, since it uses as much as digits as its factorization.

23473664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 148 counting only the distinct ones).

The product of its digits is 72576, while the sum is 35.

The square root of 23473664 is about 4844.9627449548. The cubic root of 23473664 is about 286.3256759167.

The spelling of 23473664 in words is "twenty-three million, four hundred seventy-three thousand, six hundred sixty-four".