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23230505047 is a prime number
BaseRepresentation
bin10101101000101001…
…010110000001010111
32012221222021221001211
4111220221112001113
5340034002130142
614401050202251
71451450014651
oct255051260127
965858257054
1023230505047
119941018302
124603a23387
132262a67299
1411a53716d1
1590e692917
hex568a56057

23230505047 has 2 divisors, whose sum is σ = 23230505048. Its totient is φ = 23230505046.

The previous prime is 23230505041. The next prime is 23230505099. The reversal of 23230505047 is 74050503232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23230505047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23230505041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615252523 + 11615252524.

It is an arithmetic number, because the mean of its divisors is an integer number (11615252524).

Almost surely, 223230505047 is an apocalyptic number.

23230505047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230505047 is an equidigital number, since it uses as much as digits as its factorization.

23230505047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The spelling of 23230505047 in words is "twenty-three billion, two hundred thirty million, five hundred five thousand, forty-seven".