23441920 has 40 divisors (see below), whose sum is σ = 56211804. Its totient is φ = 9375744.

The previous prime is 23441911. The next prime is 23441927. The reversal of 23441920 is 2914432.

It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 1763584 = 4656^2 + 1328^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×23441920² = 1099047226572800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23441927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019 + ... + 7138.

Almost surely, 2^23441920 is an apocalyptic number.

23441920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23441920 is an abundant number, since it is smaller than the sum of its proper divisors (32769884).

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

23441920 is an frugal number, since it uses more digits than its factorization.

23441920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180 (or 9164 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23441920 is about 4841.6856568761. The cubic root of 23441920 is about 286.1965493278.

The spelling of 23441920 in words is "twenty-three million, four hundred forty-one thousand, nine hundred twenty".