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23107949647 is a prime number
BaseRepresentation
bin10101100001010101…
…110101010001001111
32012122102200110122221
4111201111311101033
5334311113342042
614340551320211
71445431221406
oct254125652117
965572613587
1023107949647
119888920652
12458a980067
1322435571b3
141192d8c63d
15903a34d67
hex56157544f

23107949647 has 2 divisors, whose sum is σ = 23107949648. Its totient is φ = 23107949646.

The previous prime is 23107949531. The next prime is 23107949651. The reversal of 23107949647 is 74694970132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23107949647 - 27 = 23107949519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23107949594 and 23107949603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23107949687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553974823 + 11553974824.

It is an arithmetic number, because the mean of its divisors is an integer number (11553974824).

Almost surely, 223107949647 is an apocalyptic number.

23107949647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23107949647 is an equidigital number, since it uses as much as digits as its factorization.

23107949647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 23107949647 in words is "twenty-three billion, one hundred seven million, nine hundred forty-nine thousand, six hundred forty-seven".