23441664 has 72 divisors (see below), whose sum is σ = 63135072. Its totient is φ = 7720960.

The previous prime is 23441651. The next prime is 23441689. The reversal of 23441664 is 46614432.

23441664 = T₃₂₇ + T₃₂₈ + ... + T₅₅₉.

It is a super-2 number, since 2×23441664² = 1099023222177792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100492 + ... + 100724.

It is an arithmetic number, because the mean of its divisors is an integer number (876876).

Almost surely, 2^23441664 is an apocalyptic number.

23441664 is a gapful number since it is divisible by the number (24) 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 23441664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31567536).

23441664 is an abundant number, since it is smaller than the sum of its proper divisors (39693408).

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

23441664 is a wasteful number, since it uses less digits than its factorization.

23441664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 369 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 23441664 is about 4841.6592197304. The cubic root of 23441664 is about 286.1955075107.

The spelling of 23441664 in words is "twenty-three million, four hundred forty-one thousand, six hundred sixty-four".