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123667 is a prime number
BaseRepresentation
bin11110001100010011
320021122021
4132030103
512424132
62352311
71023355
oct361423
9207567
10123667
1184a05
125b697
134439b
14330d5
1526997
hex1e313

123667 has 2 divisors, whose sum is σ = 123668. Its totient is φ = 123666.

The previous prime is 123661. The next prime is 123677. The reversal of 123667 is 766321.

Adding to 123667 its reverse (766321), we get a palindrome (889988).

It is a weak prime.

It is an emirp because it is prime and its reverse (766321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123667 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (123661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61833 + 61834.

It is an arithmetic number, because the mean of its divisors is an integer number (61834).

2123667 is an apocalyptic number.

123667 is a deficient number, since it is larger than the sum of its proper divisors (1).

123667 is an equidigital number, since it uses as much as digits as its factorization.

123667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 123667 is about 351.6631911361. The cubic root of 123667 is about 49.8216311141.

The spelling of 123667 in words is "one hundred twenty-three thousand, six hundred sixty-seven".