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23475132345 = 357421753017
BaseRepresentation
bin10101110111001110…
…100001011110111001
32020121000121021122010
4111313032201132321
5341034113213340
614441225320133
71460510222040
oct256716413671
966530537563
1023475132345
119a57111425
124671936049
1322a1648372
1411c9a4d557
15925db4b80
hex5773a17b9

23475132345 has 32 divisors (see below), whose sum is σ = 42936945408. Its totient is φ = 10728741888.

The previous prime is 23475132313. The next prime is 23475132349. The reversal of 23475132345 is 54323157432.

It is a happy number.

It is not a de Polignac number, because 23475132345 - 25 = 23475132313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23475132349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416277 + ... + 469293.

It is an arithmetic number, because the mean of its divisors is an integer number (1341779544).

Almost surely, 223475132345 is an apocalyptic number.

It is an amenable number.

23475132345 is a deficient number, since it is larger than the sum of its proper divisors (19461813063).

23475132345 is a wasteful number, since it uses less digits than its factorization.

23475132345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57249.

The product of its digits is 302400, while the sum is 39.

Adding to 23475132345 its reverse (54323157432), we get a palindrome (77798289777).

The spelling of 23475132345 in words is "twenty-three billion, four hundred seventy-five million, one hundred thirty-two thousand, three hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 4217 12651 21085 29519 53017 63255 88557 147595 159051 265085 371119 442785 795255 1113357 1855595 5566785 223572689 670718067 1117863445 1565008823 3353590335 4695026469 7825044115 23475132345