23059440 has 60 divisors (see below), whose sum is σ = 77443704. Its totient is φ = 6148992.

The previous prime is 23059397. The next prime is 23059489. The reversal of 23059440 is 4495032.

23059440 is a `hidden beast` number, since 2 + 30 + 594 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×23059440² = 1063475546227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15294 + ... + 16733.

Almost surely, 2^23059440 is an apocalyptic number.

23059440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23059440 is an abundant number, since it is smaller than the sum of its proper divisors (54384264).

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

23059440 is a wasteful number, since it uses less digits than its factorization.

23059440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32046 (or 32037 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 23059440 is about 4802.0245730317. The cubic root of 23059440 is about 284.6314719606.

The spelling of 23059440 in words is "twenty-three million, fifty-nine thousand, four hundred forty".