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23113899000 = 23325319295979
BaseRepresentation
bin10101100001101100…
…100001101111111000
32012122211212201122100
4111201230201233320
5334314124232000
614341323023400
71445532620433
oct254154415770
965584781570
1023113899000
119891214475
12459096ab60
13224485b11a
141193a9a81a
1590430ca00
hex561b21bf8

23113899000 has 768 divisors, whose sum is σ = 87609600000. Its totient is φ = 5472230400.

The previous prime is 23113898999. The next prime is 23113899047. The reversal of 23113899000 is 99831132.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 292580961 + ... + 292581039.

It is an arithmetic number, because the mean of its divisors is an integer number (114075000).

Almost surely, 223113899000 is an apocalyptic number.

23113899000 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 23113899000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43804800000).

23113899000 is an abundant number, since it is smaller than the sum of its proper divisors (64495701000).

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

23113899000 is a wasteful number, since it uses less digits than its factorization.

23113899000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 23113899000 in words is "twenty-three billion, one hundred thirteen million, eight hundred ninety-nine thousand".