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23000021230 = 252647868909
BaseRepresentation
bin10101011010111010…
…000111100011101110
32012100220121010201011
4111122322013203232
5334101001134410
614322134135434
71442650645324
oct253272074356
965326533634
1023000021230
119832a0440a
12455a7b157a
132227098a24
1411828d5d14
158e931618a
hex55ae878ee

23000021230 has 16 divisors (see below), whose sum is σ = 41415726240. Its totient is φ = 9196522272.

The previous prime is 23000021173. The next prime is 23000021287. The reversal of 23000021230 is 3212000032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23000021173) and next prime (23000021287).

It is a self number, because there is not a number n which added to its sum of digits gives 23000021230.

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, 407985 + ... + 460924.

It is an arithmetic number, because the mean of its divisors is an integer number (2588482890).

Almost surely, 223000021230 is an apocalyptic number.

23000021230 is a deficient number, since it is larger than the sum of its proper divisors (18415705010).

23000021230 is a wasteful number, since it uses less digits than its factorization.

23000021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871563.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23000021230 its reverse (3212000032), we get a palindrome (26212021262).

The spelling of 23000021230 in words is "twenty-three billion, twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 2647 5294 13235 26470 868909 1737818 4344545 8689090 2300002123 4600004246 11500010615 23000021230