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23403002025 = 3521324003079
BaseRepresentation
bin10101110010111011…
…010111100010101001
32020101222212200102210
4111302323113202221
5340412132031100
614430131315333
71455643143414
oct256273274251
966358780383
1023403002025
119a1a425897
12465174bb49
13228c711cc0
1411c0234b7b
1591e8b7c50
hex572ed78a9

23403002025 has 24 divisors (see below), whose sum is σ = 41669346880. Its totient is φ = 11521477440.

The previous prime is 23403001997. The next prime is 23403002047. The reversal of 23403002025 is 52020030432.

It is not a de Polignac number, because 23403002025 - 29 = 23403001513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23403001992 and 23403002010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12000565 + ... + 12002514.

Almost surely, 223403002025 is an apocalyptic number.

23403002025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23403002025 is a deficient number, since it is larger than the sum of its proper divisors (18266344855).

23403002025 is a wasteful number, since it uses less digits than its factorization.

23403002025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003105 (or 24003100 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 23403002025 its reverse (52020030432), we get a palindrome (75423032457).

The spelling of 23403002025 in words is "twenty-three billion, four hundred three million, two thousand, twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 24003079 72009237 120015395 312040027 360046185 600076975 936120081 1560200135 1800230925 4680600405 7801000675 23403002025