23055040 has 28 divisors (see below), whose sum is σ = 54900576. Its totient is φ = 9221888.

The previous prime is 23055023. The next prime is 23055047. The reversal of 23055040 is 4055032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23054999 and 23055017.

It is not an unprimeable number, because it can be changed into a prime (23055047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35704 + ... + 36343.

Almost surely, 2^23055040 is an apocalyptic number.

23055040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23055040 is an abundant number, since it is smaller than the sum of its proper divisors (31845536).

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

23055040 is an equidigital number, since it uses as much as digits as its factorization.

23055040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72064 (or 72054 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 23055040 is about 4801.5664110788. The cubic root of 23055040 is about 284.6133671824.

The spelling of 23055040 in words is "twenty-three million, fifty-five thousand, forty".