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23243423202 = 234143477921
BaseRepresentation
bin10101101001011010…
…100111110111100010
32012222212121020110000
4111221122213313202
5340100304020302
614402231120430
71451664560136
oct255132476742
965885536400
1023243423202
11994834096a
124608213116
13226563b16c
1411a6d753c6
1591089531c
hex5696a7de2

23243423202 has 20 divisors (see below), whose sum is σ = 52082485686. Its totient is φ = 7747807680.

The previous prime is 23243423183. The next prime is 23243423219. The reversal of 23243423202 is 20232434232.

It is a happy number.

23243423202 is a `hidden beast` number, since 2 + 3 + 2 + 434 + 23 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21045595041 + 2197828161 = 145071^2 + 46881^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71738799 + ... + 71739122.

Almost surely, 223243423202 is an apocalyptic number.

23243423202 is an abundant number, since it is smaller than the sum of its proper divisors (28839062484).

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

23243423202 is a wasteful number, since it uses less digits than its factorization.

23243423202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143477935 (or 143477926 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 23243423202 its reverse (20232434232), we get a palindrome (43475857434).

The spelling of 23243423202 in words is "twenty-three billion, two hundred forty-three million, four hundred twenty-three thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 143477921 286955842 430433763 860867526 1291301289 2582602578 3873903867 7747807734 11621711601 23243423202