23029888 has 32 divisors (see below), whose sum is σ = 52436160. Its totient is φ = 9869568.

The previous prime is 23029819. The next prime is 23029889. The reversal of 23029888 is 88892032.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 23029888.

It is not an unprimeable number, because it can be changed into a prime (23029889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11956 + ... + 13747.

It is an arithmetic number, because the mean of its divisors is an integer number (1638630).

Almost surely, 2^23029888 is an apocalyptic number.

23029888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23029888 is an abundant number, since it is smaller than the sum of its proper divisors (29406272).

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

23029888 is an equidigital number, since it uses as much as digits as its factorization.

23029888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25724 (or 25712 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 23029888 is about 4798.9465510672. The cubic root of 23029888 is about 284.5098294422.

The spelling of 23029888 in words is "twenty-three million, twenty-nine thousand, eight hundred eighty-eight".