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23133143000 = 2353112414663
BaseRepresentation
bin10101100010110101…
…111011111111011000
32012201012002102110002
4111202311323333120
5334334041034000
614343251312132
71446155320412
oct254265737730
965635072402
1023133143000
1198a1068800
1245972ab648
1322488383c6
1411964699b2
15905d5e8d5
hex562d7bfd8

23133143000 has 192 divisors, whose sum is σ = 60964263360. Its totient is φ = 8205120000.

The previous prime is 23133142993. The next prime is 23133143003. The reversal of 23133143000 is 34133132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133143003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4958669 + ... + 4963331.

It is an arithmetic number, because the mean of its divisors is an integer number (317522205).

Almost surely, 223133143000 is an apocalyptic number.

23133143000 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 23133143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30482131680).

23133143000 is an abundant number, since it is smaller than the sum of its proper divisors (37831120360).

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

23133143000 is a wasteful number, since it uses less digits than its factorization.

23133143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23133143000 its reverse (34133132), we get a palindrome (23167276132).

The spelling of 23133143000 in words is "twenty-three billion, one hundred thirty-three million, one hundred forty-three thousand".