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28058423623 is a prime number
BaseRepresentation
bin11010001000011010…
…011001000101000111
32200102102212121021221
4122020122121011013
5424430424023443
620520113221211
72012212444216
oct321032310507
980372777257
1028058423623
1110999280a5a
125530861807
132852065339
14150263b07d
15ae3456eed
hex688699147

28058423623 has 2 divisors, whose sum is σ = 28058423624. Its totient is φ = 28058423622.

The previous prime is 28058423599. The next prime is 28058423663. The reversal of 28058423623 is 32632485082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28058423623 - 29 = 28058423111 is a prime.

It is a super-2 number, since 2×280584236232 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28058423623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28058423663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14029211811 + 14029211812.

It is an arithmetic number, because the mean of its divisors is an integer number (14029211812).

Almost surely, 228058423623 is an apocalyptic number.

28058423623 is a deficient number, since it is larger than the sum of its proper divisors (1).

28058423623 is an equidigital number, since it uses as much as digits as its factorization.

28058423623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 28058423623 in words is "twenty-eight billion, fifty-eight million, four hundred twenty-three thousand, six hundred twenty-three".