89669123 has 2 divisors, whose sum is σ = 89669124. Its totient is φ = 89669122.

The previous prime is 89669117. The next prime is 89669141. The reversal of 89669123 is 32196698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89669123 - 2¹⁶ = 89603587 is a prime.

It is not a weakly prime, because it can be changed into another prime (89669323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44834561 + 44834562.

It is an arithmetic number, because the mean of its divisors is an integer number (44834562).

Almost surely, 2^89669123 is an apocalyptic number.

89669123 is a deficient number, since it is larger than the sum of its proper divisors (1).

89669123 is an equidigital number, since it uses as much as digits as its factorization.

89669123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 89669123 is about 9469.3781738824. The cubic root of 89669123 is about 447.5906173970.

The spelling of 89669123 in words is "eighty-nine million, six hundred sixty-nine thousand, one hundred twenty-three".