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23104210440 = 23353779199331
BaseRepresentation
bin10101100001000111…
…100100011000001000
32012122011122111102210
4111201013210120020
5334304134213230
614340335225120
71445354356053
oct254107443010
965564574383
1023104210440
1198867a72a3
1245896781a0
13224284824c
141192697a9a
15903546eb0
hex5611e4608

23104210440 has 256 divisors, whose sum is σ = 72668160000. Its totient is φ = 5871191040.

The previous prime is 23104210429. The next prime is 23104210457. The reversal of 23104210440 is 4401240132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69801075 + ... + 69801405.

It is an arithmetic number, because the mean of its divisors is an integer number (283860000).

Almost surely, 223104210440 is an apocalyptic number.

23104210440 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 23104210440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36334080000).

23104210440 is an abundant number, since it is smaller than the sum of its proper divisors (49563949560).

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

23104210440 is a wasteful number, since it uses less digits than its factorization.

23104210440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 23104210440 its reverse (4401240132), we get a palindrome (27505450572).

The spelling of 23104210440 in words is "twenty-three billion, one hundred four million, two hundred ten thousand, four hundred forty".