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23430440120 = 235712782189
BaseRepresentation
bin10101110100100100…
…000010010010111000
32020110220111200102112
4111310210002102320
5340441143040440
614432551351452
71456425312023
oct256444022270
966426450375
1023430440120
119a339664aa
12465a982588
1322952cab69
1411c3b381ba
15921ed7965
hex5749024b8

23430440120 has 32 divisors (see below), whose sum is σ = 52726528800. Its totient is φ = 9370747008.

The previous prime is 23430440029. The next prime is 23430440153. The reversal of 23430440120 is 2104403432.

It is a super-2 number, since 2×234304401202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243986 + ... + 326174.

It is an arithmetic number, because the mean of its divisors is an integer number (1647704025).

Almost surely, 223430440120 is an apocalyptic number.

23430440120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23430440120 is an abundant number, since it is smaller than the sum of its proper divisors (29296088680).

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

23430440120 is a wasteful number, since it uses less digits than its factorization.

23430440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89327 (or 89323 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23430440120 its reverse (2104403432), we get a palindrome (25534843552).

The spelling of 23430440120 in words is "twenty-three billion, four hundred thirty million, four hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 7127 14254 28508 35635 57016 71270 82189 142540 164378 285080 328756 410945 657512 821890 1643780 3287560 585761003 1171522006 2343044012 2928805015 4686088024 5857610030 11715220060 23430440120