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23030223230 = 257734506893
BaseRepresentation
bin10101011100101101…
…010101000101111110
32012110000102120001202
4111130231111011332
5334131214120410
614325133335502
71443465444650
oct253455250576
965400376052
1023030223230
119848a62643
124568937592
132230411931
1411869186d0
158ebcceca5
hex55cb5517e

23030223230 has 32 divisors (see below), whose sum is σ = 48025462464. Its totient is φ = 7787909376.

The previous prime is 23030223193. The next prime is 23030223233. The reversal of 23030223230 is 3232203032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030223233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2248337 + ... + 2258556.

It is an arithmetic number, because the mean of its divisors is an integer number (1500795702).

Almost surely, 223030223230 is an apocalyptic number.

23030223230 is an abundant number, since it is smaller than the sum of its proper divisors (24995239234).

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

23030223230 is a wasteful number, since it uses less digits than its factorization.

23030223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506980.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 23030223230 its reverse (3232203032), we get a palindrome (26262426262).

The spelling of 23030223230 in words is "twenty-three billion, thirty million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 73 146 365 511 730 1022 2555 5110 4506893 9013786 22534465 31548251 45068930 63096502 157741255 315482510 329003189 658006378 1645015945 2303022323 3290031890 4606044646 11515111615 23030223230