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BaseRepresentation
bin101100000100…
…0011000011000
31121110202100200
41120020120120
521403244000
62143102200
7400241454
oct130103030
947422320
1023103000
111204a698
1278a1960
134a2b91b
1430d5664
152065500
hex1608618

23103000 has 192 divisors, whose sum is σ = 83229120. Its totient is φ = 5760000.

The previous prime is 23102941. The next prime is 23103019. The reversal of 23103000 is 30132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 152925 + ... + 153075.

It is an arithmetic number, because the mean of its divisors is an integer number (433485).

Almost surely, 223103000 is an apocalyptic number.

23103000 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 23103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41614560).

23103000 is an abundant number, since it is smaller than the sum of its proper divisors (60126120).

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

23103000 is a wasteful number, since it uses less digits than its factorization.

23103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 23103000 is about 4806.5580200389. The cubic root of 23103000 is about 284.8105851282.

Adding to 23103000 its reverse (30132), we get a palindrome (23133132).

The spelling of 23103000 in words is "twenty-three million, one hundred three thousand".