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23253440441 = 731125723981
BaseRepresentation
bin10101101010000000…
…110101011110111001
32020000120110011111212
4111222000311132321
5340110340043231
614403225532505
71452145661000
oct255200653671
966016404455
1023253440441
119952a62a80
12460b644135
13226773781a
1411a8421c37
159116c342b
hex56a0357b9

23253440441 has 32 divisors (see below), whose sum is σ = 29699308800. Its totient is φ = 18048307200.

The previous prime is 23253440437. The next prime is 23253440447. The reversal of 23253440441 is 14404435232.

It is not a de Polignac number, because 23253440441 - 22 = 23253440437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23253440398 and 23253440407.

It is not an unprimeable number, because it can be changed into a prime (23253440447) 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, 957671 + ... + 981651.

It is an arithmetic number, because the mean of its divisors is an integer number (928103400).

Almost surely, 223253440441 is an apocalyptic number.

It is an amenable number.

23253440441 is a deficient number, since it is larger than the sum of its proper divisors (6445868359).

23253440441 is a wasteful number, since it uses less digits than its factorization.

23253440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270 (or 24256 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 23253440441 its reverse (14404435232), we get a palindrome (37657875673).

The spelling of 23253440441 in words is "twenty-three billion, two hundred fifty-three million, four hundred forty thousand, four hundred forty-one".

Divisors: 1 7 11 49 77 257 343 539 1799 2827 3773 12593 19789 23981 88151 138523 167867 263791 969661 1175069 1846537 6163117 8225483 12925759 43141819 67794287 90480313 301992733 474560009 2113949131 3321920063 23253440441