Search a number
-
+
123065623 is a prime number
BaseRepresentation
bin1110101010111…
…01010100010111
322120120101022001
413111131110113
5223001044443
620113420131
73023016622
oct725352427
9276511261
10123065623
116351602a
123526a647
131c65b3c5
14124b6db9
15ac0dd4d
hex755d517

123065623 has 2 divisors, whose sum is σ = 123065624. Its totient is φ = 123065622.

The previous prime is 123065611. The next prime is 123065627. The reversal of 123065623 is 326560321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123065623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123065591 and 123065600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123065627) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61532811 + 61532812.

It is an arithmetic number, because the mean of its divisors is an integer number (61532812).

Almost surely, 2123065623 is an apocalyptic number.

123065623 is a deficient number, since it is larger than the sum of its proper divisors (1).

123065623 is an equidigital number, since it uses as much as digits as its factorization.

123065623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 123065623 is about 11093.4946252297. The cubic root of 123065623 is about 497.4074108647.

The spelling of 123065623 in words is "one hundred twenty-three million, sixty-five thousand, six hundred twenty-three".