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8990123 is a prime number
BaseRepresentation
bin100010010010…
…110110101011
3121220202010112
4202102312223
54300140443
6520404535
7136262162
oct42226653
917822115
108990123
11509045a
12301674b
131b29ccc
1412a03d9
15bc8b18
hex892dab

8990123 has 2 divisors, whose sum is σ = 8990124. Its totient is φ = 8990122.

The previous prime is 8990101. The next prime is 8990141. The reversal of 8990123 is 3210998.

8990123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8990123 - 28 = 8989867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8990123.

It is not a weakly prime, because it can be changed into another prime (8990143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4495061 + 4495062.

It is an arithmetic number, because the mean of its divisors is an integer number (4495062).

Almost surely, 28990123 is an apocalyptic number.

8990123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8990123 is an equidigital number, since it uses as much as digits as its factorization.

8990123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 8990123 is about 2998.3533814412. The cubic root of 8990123 is about 207.9322619046.

The spelling of 8990123 in words is "eight million, nine hundred ninety thousand, one hundred twenty-three".