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23143625353 = 43495321597
BaseRepresentation
bin10101100011011101…
…111011001010001001
32012201220210222112101
4111203131323022021
5334344232002403
614344304113401
71446343366252
oct254335731211
965656728471
1023143625353
1198a6a78302
12459a905861
13224aa68694
1411979d7b29
15906c3071d
hex56377b289

23143625353 has 4 divisors (see below), whose sum is σ = 23148951300. Its totient is φ = 23138299408.

The previous prime is 23143625341. The next prime is 23143625371. The reversal of 23143625353 is 35352634132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8388178569 + 14755446784 = 91587^2 + 121472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23143625353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23143625303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656450 + ... + 2665147.

It is an arithmetic number, because the mean of its divisors is an integer number (5787237825).

Almost surely, 223143625353 is an apocalyptic number.

It is an amenable number.

23143625353 is a deficient number, since it is larger than the sum of its proper divisors (5325947).

23143625353 is an equidigital number, since it uses as much as digits as its factorization.

23143625353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325946.

The product of its digits is 194400, while the sum is 37.

The spelling of 23143625353 in words is "twenty-three billion, one hundred forty-three million, six hundred twenty-five thousand, three hundred fifty-three".

Divisors: 1 4349 5321597 23143625353