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23404257683 = 231017576421
BaseRepresentation
bin10101110011000000…
…001010000110010011
32020102002020110212122
4111303000022012103
5340412442221213
614430214244455
71455656623262
oct256300120623
966362213778
1023404257683
119a20103224
12465205672b
13228ca616b1
1411c04805d9
1591ea64d08
hex57300a193

23404257683 has 4 divisors (see below), whose sum is σ = 24421834128. Its totient is φ = 22386681240.

The previous prime is 23404257677. The next prime is 23404257707. The reversal of 23404257683 is 38675240432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23404257683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23404247683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508788188 + ... + 508788233.

It is an arithmetic number, because the mean of its divisors is an integer number (6105458532).

Almost surely, 223404257683 is an apocalyptic number.

23404257683 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23404257683 is a deficient number, since it is larger than the sum of its proper divisors (1017576445).

23404257683 is a wasteful number, since it uses less digits than its factorization.

23404257683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017576444.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 23404257683 in words is "twenty-three billion, four hundred four million, two hundred fifty-seven thousand, six hundred eighty-three".

Divisors: 1 23 1017576421 23404257683