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23423668 = 2253313353
BaseRepresentation
bin101100101011…
…0101010110100
31122002001020021
41121112222310
521444024133
62154014524
7403045402
oct131265264
948061207
1023423668
1112249604
127a17444
134b11878
14317a472
1520ca52d
hex1656ab4

23423668 has 24 divisors (see below), whose sum is σ = 42016968. Its totient is φ = 11421696.

The previous prime is 23423663. The next prime is 23423689. The reversal of 23423668 is 86632432.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 23155344 = 518^2 + 4812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66180 + ... + 66532.

It is an arithmetic number, because the mean of its divisors is an integer number (1750707).

Almost surely, 223423668 is an apocalyptic number.

It is an amenable number.

23423668 is a deficient number, since it is larger than the sum of its proper divisors (18593300).

23423668 is a wasteful number, since it uses less digits than its factorization.

23423668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 23423668 is about 4839.8004091078. The cubic root of 23423668 is about 286.1222520045.

The spelling of 23423668 in words is "twenty-three million, four hundred twenty-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 53 106 212 313 353 626 706 1252 1412 16589 18709 33178 37418 66356 74836 110489 220978 441956 5855917 11711834 23423668