89123 has 2 divisors, whose sum is σ = 89124. Its totient is φ = 89122.

The previous prime is 89119. The next prime is 89137. The reversal of 89123 is 32198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89123 - 2² = 89119 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (89113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44561 + 44562.

It is an arithmetic number, because the mean of its divisors is an integer number (44562).

2⁸⁹¹²³ is an apocalyptic number.

89123 is a deficient number, since it is larger than the sum of its proper divisors (1).

89123 is an equidigital number, since it uses as much as digits as its factorization.

89123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 89123 is about 298.5347550956. The cubic root of 89123 is about 44.6680094148.

It can be divided in two parts, 89 and 123, that added together give a palindrome (212).

The spelling of 89123 in words is "eighty-nine thousand, one hundred twenty-three".