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23401402230 = 235947823703
BaseRepresentation
bin10101110010110101…
…010000111101110110
32020101212212101221010
4111302311100331312
5340411224332410
614430033133050
71455623431323
oct256265207566
966355771833
1023401402230
119a19532948
1246510ba186
13228c2a1a8b
1411bdd39b4a
1591e69dc20
hex572d50f76

23401402230 has 32 divisors (see below), whose sum is σ = 56222740224. Its totient is φ = 6233776736.

The previous prime is 23401402201. The next prime is 23401402253. The reversal of 23401402230 is 3220410432.

It is a junction number, because it is equal to n+sod(n) for n = 23401402197 and 23401402206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383442 + ... + 440261.

It is an arithmetic number, because the mean of its divisors is an integer number (1756960632).

Almost surely, 223401402230 is an apocalyptic number.

23401402230 is an abundant number, since it is smaller than the sum of its proper divisors (32821337994).

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

23401402230 is a wasteful number, since it uses less digits than its factorization.

23401402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824660.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23401402230 its reverse (3220410432), we get a palindrome (26621812662).

The spelling of 23401402230 in words is "twenty-three billion, four hundred one million, four hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 947 1894 2841 4735 5682 9470 14205 28410 823703 1647406 2471109 4118515 4942218 8237030 12355545 24711090 780046741 1560093482 2340140223 3900233705 4680280446 7800467410 11700701115 23401402230