23098920 has 192 divisors, whose sum is σ = 80637120. Its totient is φ = 5271552.

The previous prime is 23098919. The next prime is 23098951. The reversal of 23098920 is 2989032.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344727 + ... + 344793.

It is an arithmetic number, because the mean of its divisors is an integer number (419985).

Almost surely, 2^23098920 is an apocalyptic number.

23098920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23098920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40318560).

23098920 is an abundant number, since it is smaller than the sum of its proper divisors (57538200).

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

23098920 is a wasteful number, since it uses less digits than its factorization.

23098920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 23098920 is about 4806.1335811648. The cubic root of 23098920 is about 284.7938182494.

The spelling of 23098920 in words is "twenty-three million, ninety-eight thousand, nine hundred twenty".