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10030123 is a prime number
BaseRepresentation
bin100110010000…
…110000101011
3200212120202001
4212100300223
510031430443
6554551431
7151153225
oct46206053
920776661
1010030123
115730864
123438577
1321024ac
141491415
15d31d4d
hex990c2b

10030123 has 2 divisors, whose sum is σ = 10030124. Its totient is φ = 10030122.

The previous prime is 10030109. The next prime is 10030133. The reversal of 10030123 is 32103001.

It is an a-pointer prime, because the next prime (10030133) can be obtained adding 10030123 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10030123 - 29 = 10029611 is a prime.

It is not a weakly prime, because it can be changed into another prime (10030103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015061 + 5015062.

It is an arithmetic number, because the mean of its divisors is an integer number (5015062).

Almost surely, 210030123 is an apocalyptic number.

10030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10030123 is an equidigital number, since it uses as much as digits as its factorization.

10030123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10030123 is about 3167.0369432642. The cubic root of 10030123 is about 215.6595789395.

Adding to 10030123 its reverse (32103001), we get a palindrome (42133124).

It can be divided in two parts, 10030 and 123, that added together give a triangular number (10153 = T142).

The spelling of 10030123 in words is "ten million, thirty thousand, one hundred twenty-three".