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23980830720 = 2123571137137
BaseRepresentation
bin10110010101010111…
…100111000000000000
32021220021011102101120
4112111113213000000
5343103043040340
615003332232240
71506160461240
oct262527470000
967807142346
1023980830720
11a196610070
12479316b680
132352347082
141236c89b20
159554a64d0
hex5955e7000

23980830720 has 832 divisors, whose sum is σ = 98965103616. Its totient is φ = 4812963840.

The previous prime is 23980830707. The next prime is 23980830823. The reversal of 23980830720 is 2703808932.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175042492 + ... + 175042628.

Almost surely, 223980830720 is an apocalyptic number.

23980830720 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 23980830720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49482551808).

23980830720 is an abundant number, since it is smaller than the sum of its proper divisors (74984272896).

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

23980830720 is a wasteful number, since it uses less digits than its factorization.

23980830720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 23980830720 in words is "twenty-three billion, nine hundred eighty million, eight hundred thirty thousand, seven hundred twenty".