23090688 has 60 divisors (see below), whose sum is σ = 66654588. Its totient is φ = 7695360.

The previous prime is 23090663. The next prime is 23090693. The reversal of 23090688 is 88609032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2103 + ... + 7113.

Almost surely, 2^23090688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23090688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33327294).

23090688 is an abundant number, since it is smaller than the sum of its proper divisors (43563900).

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

23090688 is an equidigital number, since it uses as much as digits as its factorization.

23090688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 23090688 is about 4805.2770991900. The cubic root of 23090688 is about 284.7599825944.

The spelling of 23090688 in words is "twenty-three million, ninety thousand, six hundred eighty-eight".