23680890 has 64 divisors (see below), whose sum is σ = 63590400. Its totient is φ = 6270912.

The previous prime is 23680879. The next prime is 23680913. The reversal of 23680890 is 9808632.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61639 + ... + 62021.

It is an arithmetic number, because the mean of its divisors is an integer number (993600).

Almost surely, 2^23680890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23680890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31795200).

23680890 is an abundant number, since it is smaller than the sum of its proper divisors (39909510).

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

23680890 is a wasteful number, since it uses less digits than its factorization.

23680890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 622 counting only the distinct ones).

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

The square root of 23680890 is about 4866.3014703160. The cubic root of 23680890 is about 287.1657716494.

The spelling of 23680890 in words is "twenty-three million, six hundred eighty thousand, eight hundred ninety".