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BaseRepresentation
bin101101110111000
31012012122
411232320
51222410
6300412
7125312
oct55670
935178
1023480
1116706
1211708
13a8c2
1487b2
156e55
hex5bb8

23480 has 16 divisors (see below), whose sum is σ = 52920. Its totient is φ = 9376.

The previous prime is 23473. The next prime is 23497. The reversal of 23480 is 8432.

It is a congruent number.

It is an unprimeable number.

23480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 333.

223480 is an apocalyptic number.

23480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23480 is an abundant number, since it is smaller than the sum of its proper divisors (29440).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26460).

23480 is a wasteful number, since it uses less digits than its factorization.

23480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23480 is about 153.2318504750. The cubic root of 23480 is about 28.6351435228.

The spelling of 23480 in words is "twenty-three thousand, four hundred eighty".